Discontinued Items

Pololu item #: 1
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This item has been replaced by a new version.

Pololu IR Beacon

Pololu item #: 1130
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This retractable USB cable can be extended up to a length of 3 feet, has a male, type-A connector on one end, and a male, mini-B connector on the other. The unused cable coils compactly around the central, spring-driven spool.

Pololu item #: 1136
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This product has been replaced by the improved Sharp GP2Y0A41SK0F Analog Distance Sensor 4-30cm.

This sensor has been replaced by the newer GP2Y0A41SK0F Analog Distance Sensor, which has the same detection range of 1.5″ to 12″ (4 cm to 30 cm) but a much lower average current draw and much higher update rate.

Pololu item #: 1140
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Battery holder for a single AAA cell.

Pololu item #: 1142
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Suggested alternative: 2-AAA Battery Holder

Battery holder for two AAA cells arranged as two back-to-back single-cell holders.

Pololu item #: 1148
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Battery holder for six AAA cells arranged as two back-to-back three-cell holders.

Pololu item #: 1149
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Battery holder for eight AAA cells arranged as two back-to-back four-cell holders.

Pololu item #: 1162
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We have released new versions of our 20D mm gearmotors with a wider range of gear ratios and longer output shafts. The closest new gear ratio to this older version is the 31:1 Metal Gearmotor 20Dx41L mm 6V (the motor portion is unchanged).

These small brushed DC gearmotors can deliver a lot of power for their size. This version has a 6V brushed DC motor combined with a 29:1 metal spur gearbox. The gearmotor is cylindrical with a diameter of 20 mm, and the D-shaped output shaft is 4 mm in diameter and extends 10.7 mm from the face plate of the gearbox.

Key specs at 6 V: 450 RPM and 250 mA free-run, 25 oz-in (1.8 kg-cm) and 3.2 A stall.

Pololu item #: 1108
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This 1.77" x 0.80" x 0.80" gearmotor is a high-quality motor with 67:1 metal gearbox that has the power to deliver both speed and torque. These units have a 0.276"-long, 4 mm-diameter D-shaped output shaft.

Key specs at 6 V: 210 RPM and 250 mA free-run, 57 oz-in (4.1 kg-cm) and 3.3 A stall.

Pololu item #: 1109
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We have released new versions of our 20D mm gearmotors with a wider range of gear ratios and longer output shafts. The closest new gear ratio to this older version is the 156:1 Metal Gearmotor 20Dx44L mm 6V (the motor portion is unchanged).

These small brushed DC gearmotors can deliver a lot of power for their size. This version has a 6V brushed DC motor combined with a 154:1 metal spur gearbox. The gearmotor is cylindrical with a diameter of 20 mm, and the D-shaped output shaft is 4 mm in diameter and extends 10.7 mm from the face plate of the gearbox.

Key specs at 6 V: 90 RPM and 250 mA free-run, 120 oz-in (8.6 kg-cm) and 3.2 A stall.

Pololu item #: 1061
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The Melexis MLX90614ESF-AAA is a high-accuracy, high-resolution, non-contact thermometer with a 90-degree field of view. It has a measurement resolution of 0.02°C and is factory calibrated for a wide -70 to 380°C object temperature range. The sensor uses an SMBus (I²C-compatible) digital interface and can be configured to output a customizable 10-bit PWM output for continuous readings.

Pololu item #: 1062
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The 8325HV digital servo from Power HD is the ultimate high-performance servo: it features high-precision digital electronics, a coreless motor, and low-backlash titanium gears, all packed into a rugged aluminum-magnesium alloy case. It is just slightly bigger than a standard servo, yet it can deliver a incredible 430 oz-in of torque and travel 60° in only 0.118 s. The servo can be powered by up to 7.4 V.

Key specs at 7.4 V: 0.118 sec/60°, 430 oz-in (31 kg-cm), 80 g.

Pololu item #: 1066
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These hexagonal male-female aluminum standoffs keep parts spaced 1.25" (32 mm) apart and are great for building a multi-level robot chassis. Both ends of these 0.25"-wide standoffs have 4-40 threads. This 4-pack of standoffs includes 4 aluminum nuts for securing the top of the standoff to your project.

Pololu item #: 1074
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This product has been replaced by a 5-pack of 5mm RGB LEDs from a different supplier. Note that these new LEDs have a common anode while item #1074 had a common cathode, so they are not direct drop-in replacements.

This multi-color LED contains red, green, and blue elements that can be mixed to produce any color. Unlike many other RGB LEDs, this unit has a diffused white lens that blends the colors without any additional diffusers or reflectors.

Pololu item #: 1080
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These aluminum gearmotor brackets let you securely mount Pololu 24:1 and 100:1 mini metal gearmotors to your project. The brackets are sold in pairs, and each bracket includes two M2 screws for securing the motor to the bracket. Each bracket also features two mounting holes and six mounting slots for #2-size screws (not included), giving you a variety of mounting options.

Pololu item #: 1085
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This 1.64" x 0.80" x 0.80" gearmotor is a high-quality, low-current motor with 25:1 metal gearbox. These units have a 0.276"-long, 4 mm-diameter D-shaped output shaft.

Key specs at 6 V: 470 RPM and 60 mA free-run, 7 oz-in (0.5 kg-cm) and 0.58 A stall.

Pololu item #: 1091
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Please consider our micro metal gearmotors or 15.5D metal gearmotors as alternatives.

This gearmotor is a compact (1.50" x 0.59" x 0.47") brushed DC motor with 35:1 metal gearbox. These units have a 0.365"-long, 3 mm-diameter D-shaped output shaft that matches the micro metal gearmotor output shafts.

Key specs at 6 V: 350 RPM and 70 mA free-run, 20 oz-in (1.4 kg-cm) and 1.5 A stall.

Pololu item #: 1092
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This 1.71" x 0.80" x 0.80" gearmotor is a high-quality motor with 25:1 metal gearbox that has the power to deliver both speed and torque. These units have a 0.276"-long, 4 mm-diameter D-shaped output shaft.

Key specs at 6 V: 500 RPM and 250 mA free-run, 20 oz-in (1.5 kg-cm) and 3.3 A stall.

Pololu item #: 1033
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This limited-time promotion for the A-Star 32U4 Micro is now over.

This limited-time promotion for the A-Star 32U4 Micro is now over.

Pololu item #: 1041
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This version of the HD-1900A analog servo from Power HD (with a translucent-blue case) has been discontinued and replaced by a new version with a solid black case. The new version has slightly different specifications.



Key specs at 6 V: 0.10 sec/60°, 28 oz-in (2.0 kg-cm), 9.0 g.

Pololu item #: 1042
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Please consider the HD-1810MG and HD-1160A as alternatives.

The HD-1581HB digital servo from Power HD is a micro servo with digital control electronics for increased performance. Servo horns and associated hardware are included.

Key specs at 6 V: 0.16 sec/60°, 36 oz-in (2.6 kg-cm), 12.3 g.

Pololu item #: 1043
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Note: This servo has been replaced by the newer, higher-performance 3001HB from Power HD.

Key specs at 6 V: 0.16 sec/60°, 48 oz-in (3.5 kg-cm), 36 g.

Pololu item #: 1044
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This servo has been replaced by the newer, higher-performance 6001HB from Power HD.

Key specs at 6 V: 0.17 sec/60°, 90 oz-in (6.5 kg-cm), 40 g.

Pololu item #: 1045
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This servo has been replaced by the newer, higher-performance 1501MG from Power HD.

Key specs at 6 V: 0.20 sec/60°, 166 oz-in (12 kg-cm), 55 g.

Pololu item #: 1048
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Please consider the Power HD 1501MG analog servo or 1218TH digital servo as alternatives to this servo.

The HD-9150MG digital servo from Power HD delivers high torque and features digital control electronics for increased performance. The output shaft is supported by two ball bearings, and the entire gear train is metal for increased durability. Servo horns and associated hardware are included.

Key specs at 6 V: 0.18 sec/60°, 220 oz-in (16 kg-cm), 61 g.

Pololu item #: 1052
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The DS120M digital servo from Power HD, a high-quality servo with digital control electronics for increased performance, is one of the fastest standard-size servos we carry, and it has plenty of torque, too. The output shaft is supported by two ball bearings, and all of the gears are metal for increased durability. Servo horns and associated hardware are included.

Key specs at 6 V: 0.11 sec/60°, 178 oz-in (12.8 kg-cm), 56 g.

Pololu item #: 1054
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This standard-size generic servo can deliver quite a bit of torque using a geartrain comprised entirely of metal gears. Servo horns and associated hardware are included.

Key specs at 6 V: 0.16 sec/60°, 140 oz-in (10.2 kg-cm), 56 g (2.0 oz).

Clearance: This product is on clearance and will be discontinued when stock runs out. We recommend the Power HD High-Torque Servo 1501MG as a replacement.

Pololu item #: 1059
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This durable tracked chassis is a complete robot base for your tank-like robot. With a battery holder, two DC motors, and two independent geared drive trains included, this chassis is just a robot controller and some sensors away from a complete robot. This chassis is yellow.

Pololu item #: 1060
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This durable tracked chassis is a complete robot base for your tank-like robot. With a battery holder, two DC motors, and two independent geared drive trains included, this chassis is just a robot controller and some sensors away from a complete robot. This chassis is gray.

Pololu item #: 75
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Tamiya’s wall-hugging mouse is a fun and easy-to-build kit that’s great for new robot enthusiasts, and it can serve as a unique, hackable robot chassis for more advanced users. The mouse has no digital electronics, and a simple wire bumper along its side directs current to one of two motors to keep the mouse moving along the wall. The mouse features a thin plastic shell and runs on one C battery.

Note: This product has been replaced by the Tamiya 70198 Wall-Hugging Mouse.

Pololu item #: 80
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Please consider one of our other robot kits as an alternative.

The iBOTZ Soundtracker is an autonomous robot that explores its environment with a condenser microphone. If it makes contact with an obstacle or hears a loud noise, it will briefly reverse course and then begin driving again in a new direction.

Pololu item #: 81
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The iBOTZ Antoid is a unique, beginner-level robot kit that features one of the most basic functions found in autonomous robots: obstacle detection. Powered by two DC motors, the Antoid walks on six legs and avoids bumping into objects by detecting them with an infrared sensor. The robot walks forward until it detects an obstacle, at which point it backs up and turns before resuming its forward gait.

Pololu item #: 82
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Please consider one of our other robot kits.

The iBOTZ Hydrazoid is a good beginner robot kit that features the basic robotic action of sound detection. The Hydrazoid robot has four spindly legs and fiber-optic antennas that give this sound-detecting robot a unique, extra-terrestrial look. When the Hydrazoid "hears" a sound with its condenser microphone, its single DC motor activates, and the robot walks forward for about 12 seconds and then stops until it hears another sound.

Pololu item #: 83
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Please consider one of our other robot kits as an alternative.

The iBOTZ Tribotz is a great introductory robot kit that performs three basic robotic functions: line-following, sound sensing, and obstacle avoidance.

Pololu item #: 91
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The elbow joint kit allows multiple servos to be connected to each other, making it easy to create snake-like robots or appendages with multiple degrees of freedom.

Pololu item #: 1169
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This product is now being sold under a different item number in packs of four.

These shrouded, JST XH-style male connectors match the female connector on the 2-pin female XH-style cable. This connector has right-angle leads and an extended body.

Pololu item #: 1170
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This is a rechargeable 3.6 V NiMH battery pack with a capacity of 350 mAh. The pack contains three cells in a single row.

Pololu item #: 1171
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This is a rechargeable 4.8 V NiMH battery pack with a capacity of 350 mAh. The pack contains four cells in a single row.

Pololu item #: 1172
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This is a rechargeable 6.0 V NiMH battery pack with a capacity of 350 mAh. The pack contains five cells in a single row.

Pololu item #: 1173
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This is a rechargeable 6.0 V NiMH battery pack with a capacity of 350 mAh. The pack contains five cells in two rows and a 3" lead terminated by an XH-style connector.

Pololu item #: 1174
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This is a rechargeable 7.2 V NiMH battery pack with a capacity of 350 mAh. The pack contains six cells in two rows.

Pololu item #: 1175
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This is a rechargeable 8.4 V NiMH battery pack with a capacity of 350 mAh. The pack contains seven cells in two rows.

Pololu item #: 92
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With this shoulder joint set, you can easily make complicated assemblies such as the legs on the Joinmax Digital robotic dog. One set contains the parts for two joints: a two-degree-of-freedom shoulder, and a knee or elbow with one degree of freedom.

Pololu item #: 1165
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This product has been replaced by a version with better a dielectric: Ceramic Capacitor 6-Pack 0.1uF 50V.

These 0.1 μF 50 V ceramic capacitors have many uses, including noise suppression on motors.

Pololu item #: 1167
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This product is now being sold under a different item number in packs of four.

These shrouded, JST XH-style male connectors match the female connector on the 2-pin female XH-style cable. This connector has straight leads.

Pololu item #: 93
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This robotic gripper kit is the same gripper that is used in the Joinmax Digital Hexapod Monster and Robot Arm. The kit includes five plastic pieces, a servo, and two pairs of nuts and bolts to hold everything together.

Pololu item #: 94
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This servo made by Joinmax Digital is the same one used in the Joinmax Digital robotics kits such as the Hexapod Monster. The unique arm on the output shaft allows for mounting options not available with traditional servos. Note that this is an analog servo, not a digital one.

Pololu item #: 95
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This robotic dog kit includes all of the components you need to build your own robot dog. In total, this robot has 15 degrees of freedom: the three degrees of freedom in each leg allow you to create life-like gaits, the tail has one degree of freedom for ample wagging, and the neck can rotate and nod up and down to really bring the robot to life.

Pololu item #: 96
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This excellent quadruped robot kit includes all of the components you need to build your own four-legged, walking robot. Each leg has two degrees of freedom provided by a lifting servo and a forward/backward rotating servo. Eight servos provide enough degrees of freedom for you to explore various four-legged walking gaits and motions; make it scamper across the floor, turn in circles, or do a victory dance.

Pololu item #: 97
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This robotic arm kit includes all of the components you need to build your own robot arm. Seven servos provide six degrees of freedom, allowing you to explore countless robotic arm movements. The arm has a swiveling base, shoulder with two lifting servos, elbow, wrist, rotating gripper, and pincers that open and close.

Pololu item #: 98
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This excellent kit from Joinmax Digital includes all of the components you need to create a six-legged, walking robot. Each of the six legs has two degrees of freedom provided by a lifting servo and a forward/backward rotating servo. In addition to the twelve actuators for the legs, there are three more servos for a swiveling gripper and even a tail, bringing the total number of servos in this kit to fifteen!

Pololu item #: 110
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The dual serial motor controller allows any microcontroller or computer with a serial port (external RS-232 level converter required) to drive two bidirectional DC motors with full 7-bit speed-control. Multiple motor controllers can be controlled with a single serial line, and they are compatible with our other serial motor controllers and serial servo controllers. This unit is available assembled as well.

Pololu item #: 1004
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This is a rechargeable 3.6 V NiMH battery pack with a capacity of 700 mAh. The pack contains three cells in a single row.

Pololu item #: 1005
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This is a rechargeable 4.8 V NiMH battery pack with a capacity of 700 mAh. The pack contains four cells in a single row.

Pololu item #: 1006
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This is a rechargeable 6.0 V NiMH battery pack with a capacity of 700 mAh. The pack contains five cells in a single row and a 3" lead terminated by an XH-style connector.

Note: This battery pack has been replaced by a 900 mAh version with a JR connector.

Pololu item #: 1007
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This is a rechargeable 6.0 V NiMH battery pack with a capacity of 700 mAh. The pack contains five cells in two rows and a 3" lead terminated by an XH-style connector.

Pololu item #: 1008
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This is a rechargeable 7.2 V NiMH battery pack with a capacity of 700 mAh. The pack contains six cells in two rows.

Pololu item #: 1009
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This is a rechargeable 8.4 V NiMH battery pack with a capacity of 700 mAh. The pack contains seven cells in two rows and a 3" lead terminated by an XH-style connector.

Note: This battery pack has been replaced by a 900 mAh version with a JR connector.

Pololu item #: 120
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Consider the qik 2s9v1 dual serial motor driver or one of our low-voltage motor drivers, like the DRV8835 carrier, as an alternative.

Frustrated by those cheap, low-voltage motors that require too much current? Here’s the answer: a low-voltage motor controller designed specifically for those toy motors. With all of the convenience of the Pololu dual serial motor controllers and the added ability to deliver 5 amps per motor with no minimum motor voltage, this dual serial motor controller has you covered.

Pololu item #: 123
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The TXT-1 is designed like a full-size monster truck with an aluminum ladder frame and multi-link suspension. Solid axles with a cantilever system allows for massive suspension articulation. This kit includes hardware and a second servo saver for four wheel steering. The servos are located next to the axles for direct steering. The kit requires a 2 or 3 channel radio and can operate on a 7.2V or 8.4V battery.

Pololu item #: 125
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Orangutan robot controller mega8. This product has been replaced by the Orangutan robot controller mega168.

Pololu item #: 161
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This tool has been replaced by our newer 10-20 AWG and 20-30 AWG wire strippers.

This wire stripper cleanly strips the tips of 16-26 AWG wires.

Pololu item #: 171
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This single-pole, double-throw (SPDT) snap-action switch has a long, three-inch lever that can be bent or cut to suit your needs. Long-lever switches make great bumper switches for simple robots.

Pololu item #: 174
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Please consider a Pololu ball caster as an alternative.

This plastic roller ball is a great third contact point for a small, differential-drive robot. They are sold in packs of three.

Pololu item #: 190
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These 1.75" acrylic wheels are made for the Solarbotics GM6 and GM7 gearbox output shafts. The wheels are sold in pairs and come with black O-rings for tires.

Pololu item #: 191
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These 1.75" acrylic wheels are made for the Solarbotics GM6 and GM7 gearbox output shafts. The wheels are sold in pairs and come with black O-rings for tires.

Pololu item #: 205
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OUT OF PRODUCTION 30-A motor driver board

Pololu item #: 207
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This product has been replaced by our newer Maestro USB servo controllers, which are better in almost every way.

At only 0.91" x 0.91", the Pololu micro serial servo controller is the smallest serial servo controller you’ll find. With individual speed and range control of eight servos and over 12 bits of resolution, this tiny device offers a host of advanced features at a surprisingly affordable price.

Pololu item #: 1201
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This product has been replaced by the A4988 stepper motor driver carrier.

The A4983 stepper motor driver carrier is a breakout board for Allegro’s easy-to-use A4983 microstepping bipolar stepper motor driver. The driver features adjustable current limiting and five different microstep resolutions. It operates from 8 – 35 V and can deliver up to 2 A per coil.

Pololu item #: 1202
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This product has been replaced by the A4988 stepper motor driver carrier with voltage regulators.

The A4983 stepper motor driver carrier with voltage regulators is a breakout board for Allegro’s easy-to-use A4983 microstepping bipolar stepper motor driver. The board has two voltage regulators (5 V and 3.3 V), eliminating the need for separate logic and motor supplies. The driver features adjustable current limiting and five different microstep resolutions. It operates from 8 – 35 V and can deliver up to 2 A per coil.

Pololu item #: 208
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This product has been replaced by our newer Maestro USB servo controllers, which are better in almost every way.

This version of the micro serial servo controller is packaged as a partial kit in which the surface-mounted components are already assembled. Male header pins are included, but you can also connect your servos directly to the PCB if space or weight are a concern.

Pololu item #: 209
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This alloy steel shoulder bolt makes the perfect axle for an idler sprocket. A flat, 1/2"-OD washer and hex nut are included along with the shoulder screw.

Pololu item #: 210
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This microcontroller is pre-programmed with our dual serial motor controller firmware.

Pololu item #: 215
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This product has been replaced by the Baby Orangutan B-328.

The Baby Orangutan is Pololu’s smallest robot controller: it packs an AVR microcontroller and two motor drivers into a tiny 24-pin DIP package, making it perfect for everything from micro sumos to auxiliary control on larger robots. This version includes Atmel’s mega48 microcontroller with 4 KB of program memory and 512 bytes of RAM.

Pololu item #: 216
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This product has been replaced by the Baby Orangutan B-328.

The Baby Orangutan is Pololu’s smallest robot controller: it packs an AVR microcontroller and two motor drivers into a tiny 24-pin DIP package, making it perfect for everything from micro sumos to auxiliary control on larger robots. This version includes Atmel’s mega168 microcontroller with 16 KB of program memory and 1 KB of RAM.

Pololu item #: 224
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This four-pack of 8-tooth injection-molded sprockets comes with two idler sprockets (with 1/4″ holes) and two sprockets with 3-mm hexagonal holes (for use with Tamiya Gearboxes that have 3-mm hex shafts). The track links and pins are sold separately.

Pololu item #: 225
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This product has been replaced by the Orangutan SV-328.

Want to build a small robot that doesn’t look like a PCB on wheels? The Orangutan is small enough for integrating into a small robot, rather than being the small robot. With a powerful Atmel mega168 AVR microcontroller, motor drivers, buttons, display, and buzzer, all you need to add is your own chassis, sensors, software,… you know, the fun stuff!

Pololu item #: 230
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1.25" Standoff set (8 pieces)

Pololu item #: 240
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This product has been replaced by newer, better servo controllers.

With our 16-servo controller, any microcontroller or computer can drive up to sixteen independent RC servos, using the same serial interface as our serial motor controllers. This product is available only in kit form.

Pololu item #: 1176
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This is a rechargeable 3.6 V NiMH battery pack with a capacity of 150 mAh. The pack contains three cells in a single row.

Pololu item #: 1177
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This is a rechargeable 4.8 V NiMH battery pack with a capacity of 150 mAh. The pack contains four cells in a single row.

Pololu item #: 1178
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This is a rechargeable 6.0 V NiMH battery pack with a capacity of 150 mAh. The pack contains five cells in a single row.

Pololu item #: 1179
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This is a rechargeable 6.0 V NiMH battery pack with a capacity of 150 mAh. The pack contains five cells in two rows and a 3" lead terminated by an XH-style connector.

Pololu item #: 1180
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This is a rechargeable 7.2 V NiMH battery pack with a capacity of 150 mAh. The pack contains six cells in two rows and a 3" lead terminated by an XH-style connector.

Pololu item #: 1181
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This is a rechargeable 8.4 V NiMH battery pack with a capacity of 150 mAh. The pack contains seven cells in two rows and a 3" lead terminated by an XH-style connector.

Pololu item #: 276
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We have released the second-generation Maestro USB servo controllers, which are better than this product in almost every way. This product is now only available by large-volume special order. Please contact us for more information.

This microcontroller is pre-programmed with our serial 8-servo controller firmware.

Pololu item #: 280
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This microcontroller is pre-programmed with our serial 16-servo controller firmware.

Pololu item #: 290
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The Pololu serial 8-servo controller allows you to control up to eight RC servos with almost any robot controller or computer. Connect multiple units to the same serial line to control up to 128 servos independently. Note: this version has been replaced by the Pololu serial 8-servo partial kit.

Pololu item #: 303
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The hexapod monster is a six-legged robot that walks forward until it detects an obstacle, in which case it backs up and turns before resuming its forward motion. There is a separate gearbox for each side of the robot, allowing for differential control of the robot’s motion. Obstacle detection is performed through an infrared sensor at the front of the robot.

Pololu item #: 314
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This digital logic probe in kit form provides convenient and precise measurement of logic circuit signals. It displays logic levels (high or low), pulses and voltage transients down to 10 nanoseconds and a maximum input of 50 MHz. It has a large PC board and detailed manual for fast construction. The LP-535K Logic Probe kit will teach you how to solder and leave you with a very useful tool.

Pololu item #: 317
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Please consider one of our other robot kits.

The OWI Jungle Robot is an excellent beginner-level robot kit that you can build in two ways: you can make a robotic orangutan that climbs a rope, hand-over-hand, or you can build a robotic gorilla that walks on two arms. The robotic ape starts climbing or walking when its sound sensor detects a loud sound.

Pololu item #: 318
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The OWI Weasel Robot is a great beginner-level robot kit that teaches you about two of the most basic robotic actions: wall hugging and line following.

Pololu item #: 319
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When assembled, the Moon Walker II uses a phototransistor to sense changes in light (such as turning on a lamp) and a condenser microphone to sense changes in sound (such as clapping). It converts those stimuli into electronic signals to power a motor, and walks forward for a preset time. The sensors can be adjusted for different sensitivity levels.

Pololu item #: 1210
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This board has been replaced by a newer version.

This is the original version of our RC switch with small low-side MOSFET, which features an integrated small, low-side MOSFET that can be used to drive small loads (up to around 3 A), such as a relay, when the switch is on. This board has been replaced by a newer version that is better in almost every way and should be a drop-in replacement in most cases.

Pololu item #: 1211
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This board has been replaced by a newer version.

This is the original version of our RC switch with medium low-side MOSFET, which features an integrated medium, low-side MOSFET that can be used to drive moderate loads (up to around 15 A), such as a relay, when the switch is on. This board has been replaced by a newer version that is better in almost every way and should be a drop-in replacement in most cases.

Pololu item #: 322
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This product has been replaced by the Elenco M-1008K Multimeter kit.

A digital multimeter (DMM) is one of the most useful tools for any electronics or robotics enthusiast; with this kit, you can build your own!

Pololu item #: 323
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Build your own little digital keyboard that spans three octaves and has eight voices.

Pololu item #: 325
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The OWI Robotic Arm Trainer is a good introductory kit, requiring only a screwdriver to assemble. The kit is complete with five pre-assembled gearboxes and a wired controller that allow you to control the opening and closing of the gripper, rotation of the wrist, movement of the elbow and shoulder, and rotation of the arm on its base. The completed arm can lift up to approximately 4.6 ounces (130 grams).

Pololu item #: 326
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Comet is quick to respond and scurries speedily on command. A condenser microphone and a printed circuit board control this OWIKIT. Each time its sound sensor hears your command, it reacts; clap your hands or make any other loud sound to control it (and drop in a pen to make it draw!).

Pololu item #: 330
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This product is now only available by large-volume special order. Please contact us for more information.

This round printed circuit board is a general-purpose prototyping board for developing your own custom electronics designs. Slightly larger than a CD, this PCB also fits our round robot chassis perfectly. With 1,780 holes, the board has ample space for most projects.

Pololu item #: 341
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These brilliant blue LEDS are a great addition to any robotics or electronics project.

Pololu item #: 343
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These super-bright, white LEDS are a great addition to any robotics or electronics project.

Pololu item #: 347
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This jumper wire kit is now only available with a case.

This jumper wire set contains 25 each of 14 different lengths, which is enough for a large project or several small projects. The wires in this jumper wire refill kit are the same as those in the 350-piece jumper wire kit and 350-piece jumper wire kit with adjustable case. This wire kit is compatible with any standard breadboard with a 0.1-inch grid.

Pololu item #: 355
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This 8″ × 5.5″ × 1.5″ component box has adjustable compartments, two secure latches, and rounded bottoms for easy retrieval of small parts, such as jumper wires, header pins and connectors, screws and nuts, or discrete components. The box includes six compartment dividers.

Pololu item #: 358
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This four-pack of 8-tooth injection-molded sprockets comes with two idler sprockets (with 1/4″ holes) and two sprockets designed for use with continuous rotation servos with Futaba-compatible servo splines. The track links and pins are sold separately.

Pololu item #: 359
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This four-pack of 8-tooth injection-molded sprockets comes with two idler sprockets (with 1/4″ holes) and two sprockets with 7-mm holes for use with for use with Solarbotics GM2, GM3, GM8, and GM9 gearboxes and the larger Pololu plastic gearmotors. The track links and pins are sold separately.

Pololu item #: 360
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These 2" acrylic wheels are made for the Solarbotics GM6 and GM7 gearbox output shafts. The wheels are sold in pairs and come with black O-rings for tires.

Pololu item #: 361
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These 2" acrylic wheels are made for the Solarbotics GM6 and GM7 gearbox output shafts. The wheels are sold in pairs and come with black O-rings for tires.

Pololu item #: 376
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The dual serial motor controller allows any microcontroller or computer with a serial port (external RS-232 level converter required) to drive two bidirectional DC motors with full 7-bit speed-control. Multiple motor controllers can be controlled with a single serial line, and they are compatible with our other serial motor controllers and serial servo controllers. This unit is available as a kit as well.

Pololu item #: 388
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This bare printed circuit board is great for implementing your next Atmel ATtiny26 microcontroller project. If you want to assemble everything, including surface-mount components, yourself, this PCB is for you (for those not so handy with a soldering iron, a partially-assembled board is available).

Pololu item #: 389
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This printed circuit board is perfect for quickly getting your next Atmel ATtiny26 microcontroller project running. An ATtiny26 is already installed to reduce the time you spend on the grunt work and increase the time available for designing your custom project (the bare PCB is also available).

Pololu item #: 390
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We have released the second-generation Maestro USB servo controllers, which are better than this product in almost every way. This product is now only available by large-volume special order. Please contact us for more information.

The USB servo controller enables you to control up to sixteen hobby RC servos from your USB port. The servo controller has both the USB interface and a UART interface for communicating with small microcontrollers and other non-USB devices.

Pololu item #: 392
Temporarily out of stock. See product page to backorder.
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This product has been replaced by the Jrk 21v3 USB Motor Controller with Feedback.

If you want more current than our small motor controllers can handle, or if you want to do position or speed feedback to make your own closed-loop servo system, take a look at our 3-Amp motor controller!

Pololu item #: 399
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Suggested replacement: DRV8835 Dual Motor Driver Carrier

The Sanyo LB1836M is a great low-voltage dual motor driver (dual H-bridge) that we use in our micro dual serial motor controller and original Orangutan robot controllers. The low-voltage operation and relatively high peak current of 1 A make it an attractive option for those wanting to build small motion control systems powered by one or two Li-based cells or a few NiMH cells.

Pololu item #: 410
Temporarily out of stock. See product page to backorder.
Out of stock.
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This product has been replaced by the Qik 2s9v1 Dual Serial Motor Controller.

This tiny module can control two motors, 1 A peak each, and you can daisy-chain multiple units to control up to 62 motors with a single serial line. You can also order this controller including a color, printed manual, which is available as a PDF (292k pdf).

Pololu item #: 411
Temporarily out of stock. See product page to backorder.
Out of stock.
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This product has been replaced by the Qik 2s9v1 Dual Serial Motor Controller.

This tiny module can control two motors, 1 A peak each, and you can daisy-chain multiple units to control up to 62 motors with a single serial line. You can also save a buck and some trees and order this controller without the printed manual.

Pololu item #: 415
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Out of stock.
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We are now selling this product in packs of 10.

If you have been looking to move from wheels to tracks, but have been disappointed with rubber bands and timing belts, these tank tracks are for you. These miniature black track links connect together using the included dowel pins to create custom length tracks. We ship this product in packs of ten loose links and pins, so the order quantity must be a multiple of 10. For example, if you order 50, you will receive 5 packs of 10.

Pololu item #: 425
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A high-power version of our 3-Amp motor controller, the SMCO4 has the same convenient interfaces (serial, hobby RC pulse, or analog) and improved (10-bit) closed-loop PID control of motor speed or position, all with a more powerful motor driver that can handle higher-current motors.

Pololu item #: 501
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Please consider the Power HD Sub-Micro HD-1440A as an alternative to this servo.

The GWS PICO Sub-Micro Servo is the smallest GWS servo we carry, and it is the perfect tiny actuator for a small robot mechanism. Even the leads are extra thin to keep weight down.

Pololu item #: 505
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Suggested replacement: Power HD Mini Servo HD-1160A.

The GWS PARK L Mini Servo would have been considered a micro servo until the recent introduction of extremely tiny servos like the PICO and NARO. This miniature servo has almost the same power as a standard servo, and the transparent case makes it especially well suited for science projects and demonstrations.

Key specs at 6 V: 0.10 sec/60°, 39 oz-in (2.8 kg-cm), 17 g

Pololu item #: 506
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Suggested replacement: Power HD Mini Servo HD-1711MG.

The GWS MINI servo is slightly smaller and lighter than a standard servo, but it delivers the performance of a standard servo. Best of all, you get a mini servo at the price of a cheap standard servo.

Pololu item #: 507
Temporarily out of stock. See product page to backorder.
Out of stock.
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Suggested replacement: Power HD Standard Servo 6001HB

The GWS S03T STD servo is a standard-sized servo with an extra-high gear ratio that provides almost double the torque of a typical servo. The servo is 4 mm taller than most standard servos.

Pololu item #: 513
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For projects that require brute strength, look no further than the GWS S666N 2BB MG giant-scale servo. This servo will deliver eight times the torque of a standard servo, has two ball bearings, and has metal gears to handle those extra-tough loads.

Pololu item #: 516
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Out of stock.
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Suggested replacement: Power HD Ultra-High-Torque, High-Voltage Digital Giant Servo HD-1235MG.

The GWS S777CG 6BB Giant Servo is our largest, heaviest-duty GWS servo, weighing it at 6.7 oz and providing 583 oz-in of torque. If you need plenty of torque, the S777 will deliver.

Pololu item #: 517
Temporarily out of stock. See product page to backorder.
Out of stock.
Quantity:

Power HD High-Torque Servo 1501MG

The GWS S04 BBM Large Servo is a great value: a heavy duty, giant servo that packs over 180 oz-in!

Note: We do not have an estimate for when this will be back in stock. Please consider the Power HD High-Torque Servo 1501MG as an immediately available, higher-performance alternative.

Pololu item #: 519
Temporarily out of stock. See product page to backorder.
Out of stock.
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Suggested replacement: Power HD Standard Servo 3001HB

The GWS S03N Standard Servo is the higher-torque option between the S03N models we carry, providing 56 oz-in at a speed of 0.18 seconds per 60 degrees of motion at 6 V.

Pololu item #: 520
Temporarily out of stock. See product page to backorder.
Out of stock.
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Please consider the Power HD High-Speed Digital Micro Servo DSM44 as an alternative.

The GWS NARO+ F HP BB Micro Servo is a small, quick, 22.2mm  x 11.00mm x 22.85mm servo, recommended for use at 4.8 V.

Pololu item #: 521
Temporarily out of stock. See product page to backorder.
Out of stock.
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Please consider the Power HD Micro Servo HD-1900A as an alternative.

The GWS NARO PRO Sub-Micro Servo is among the fastest servos we carry; it is recommended for use at 4.8 V.

Pololu item #: 522
Temporarily out of stock. See product page to backorder.
Out of stock.
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The GWS S125 1T 2BB Sail Winch Servo is a unique servo that has a wider rotation range than typical hobby servos. It rotates one full turn (360°) over the standard 1-2 ms servo pulse range output by many RC receivers (typical hobby servos turn 90° over this pulse range).

Pololu item #: 604
Temporarily out of stock. See product page to backorder.
Out of stock.
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Please consider our 6V, 130-size brushed DC motor as an alternative.

This is the standard brushed DC motor found in the GM2, GM3, GM8, and GM9 gear motors from Solarbotics. It comes with an 8-tooth pinion gear, and motor replacement is a snap! The RM3 can even be used to replace the higher-current FA-130 motors in many of the Tamiya gearboxes.

Pololu item #: 638
Temporarily out of stock. See product page to backorder.
Out of stock.
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Please consider our micro metal gearmotors for a wide selection of alternative gearmotors with the same form factor (but longer output shafts).

The Solarbotics GM12a 100:1 mini metal gear motor is a compact (1.14" x 0.39" x 0.47") brushed DC motor with metal gears, very similar to the Sanyo NA2S motor. The major difference is that these Sanyo motor look-a-likes have brass front faceplates (not steel ones), and cost less.

Pololu item #: 639
Temporarily out of stock. See product page to backorder.
Out of stock.
Quantity:

Please consider our micro metal gearmotors for a wide selection of alternative gearmotors with the same form factor (but longer output shafts).

The Solarbotics GM13a 150:1 mini metal gear motor is a compact (1.14" x 0.39" x 0.47") brushed DC motor with metal gears, very similar to the Sanyo NA3S motor. The major difference is that these Sanyo motor look-a-likes have brass front faceplates (not steel ones), and cost less.

Pololu item #: 640
Temporarily out of stock. See product page to backorder.
Out of stock.
Quantity:

Please consider our micro metal gearmotors for a wide selection of alternative gearmotors with the same form factor (but longer output shafts).

The Solarbotics GM14a 298:1 mini metal gear motor is a compact (1.14" x 0.39" x 0.47") brushed DC motor with metal gears, very similar to the Sanyo NA4S motor. The major difference is that these Sanyo motor look-a-likes have brass front faceplates (not steel ones), and cost less.

Pololu item #: 641
Temporarily out of stock. See product page to backorder.
Out of stock.
Quantity:

Please consider our micro metal gearmotors for a wide selection of alternative gearmotors with the same form factor (but longer output shafts).

The Solarbotics GM18 30:1 mini metal gear motor is a compact (1.14" x 0.39" x 0.47") brushed DC motor with metal gears, similar to the Sanyo motors such as NA2S, NA3S, and NA4S. The major difference is that these Sanyo motor look-a-likes have brass front faceplates (not steel ones), and cost less.

Pololu item #: 649
Temporarily out of stock. See product page to backorder.
Out of stock.
Quantity:

Please consider the Power HD Mini Servo HD-1711MG as an alternative.

The GWS PARK HPX F Mini Servo would have been considered a micro servo until the recent introduction of extremely tiny servos like the PICO and NARO. This miniature servo has almost the same power as a standard servo, and the transparent case makes it especially well suited for science projects and demonstrations. The PARK HPX F is more powerful than the PARK L and is almost twice as fast.

Pololu item #: 670
Temporarily out of stock. See product page to backorder.
Out of stock.
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This combination deal includes a Tamiya 70168 double gearbox and a Pololu low-voltage dual serial motor controller for a great price!

Pololu item #: 671
Temporarily out of stock. See product page to backorder.
Out of stock.
Quantity:
Pololu item #: 672
Temporarily out of stock. See product page to backorder.
Out of stock.
Quantity:
Pololu item #: 676
Temporarily out of stock. See product page to backorder.
Out of stock.
Quantity:

Suggested replacement: 20×4 Character LCD with LED Backlight (Parallel Interface), White on Blue

This 20 x 4 LCD packs 80 characters into an outline smaller than that of most four-line displays. An LED backlight enables optimal viewing in all lighting conditions. This unit uses the HD44780 interface found on most parallel character displays.

Pololu item #: 686
Temporarily out of stock. See product page to backorder.
Out of stock.
Quantity:

Please consider our black GM10 wheel as an alternative.

This 1" plastic wheel is made specifically for the Solarbotics GM10 Geared Pager Motor. Each wheel comes with two small black rubber bands: the tire and a spare.

Pololu item #: 687
Temporarily out of stock. See product page to backorder.
Out of stock.
Quantity:

Please consider our black GM10 wheel as an alternative.

This 1" plastic wheel is made specifically for the Solarbotics GM10 Geared Pager Motor. Each wheel comes with two small black rubber bands: the tire and a spare.

Pololu item #: 688
Temporarily out of stock. See product page to backorder.
Out of stock.
Quantity:

This 1" plastic wheel is made specifically for the Solarbotics GM10 Geared Pager Motor. Each wheel comes with two small black rubber bands: the tire and a spare.

Pololu item #: 690
Temporarily out of stock. See product page to backorder.
Out of stock.
Quantity:

Please consider our black GM10 wheel as an alternative.

This 1" plastic wheel is made specifically for the Solarbotics GM10 Geared Pager Motor. Each wheel comes with two small black rubber bands: the tire and a spare.

Pololu item #: 692
Temporarily out of stock. See product page to backorder.
Out of stock.
Quantity:

Please consider the Power HD Mini Servo HD-1711MG as an alternative.

The GWS MINI L servo delivers the performance of a standard servo in a smaller and lighter package. The MINI L is slightly smaller, faster, and more powerful than the MINI.

Pololu item #: 693
Temporarily out of stock. See product page to backorder.
Out of stock.
Quantity:

Please consider the Power HD Standard Servo 3001HB as an alternative.

The GWS S03N 2BB Standard Servo has two ball bearings on the output shaft. These ball bearings decrease internal friction and allow for slightly increased torque over the GWS S03N.

Pololu item #: 695
Temporarily out of stock. See product page to backorder.
Out of stock.
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These are Hitec HS-5475HB servos with the electronics removed. These units can easily be converted to continuous-rotation gearmotors by clippling off the rotation limitation nub on the output gear. The output shaft is supported by two ball bearings, and the geartrain uses four heavy-duty Karbonite gears.

Pololu item #: 711
Temporarily out of stock. See product page to backorder.
Out of stock.
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This little board is an easy way to use Freescale’s MC33887 DC motor driver. Thanks to a 5-28 V operating range, current output up to 5 A (2.5 A continuous), and extra features such as current sensing and over-current protection, the 33887 is an excellent general-purpose motor driver.

Discontinuation Notice: This board has been replaced by the more capable MC33926 motor driver carrier.

Pololu item #: 712
Temporarily out of stock. See product page to backorder.
Out of stock.
Quantity:

If you are looking to drive two DC motors running from 5-28 V and drawing up to 5 A (2.5 continuous), this compact dual carrier of Freescale’s MC33887 motor driver is just what you need. Extra features such as current sensing and over-current protection make the 33887 an excellent general-purpose motor driver.

Discontinuation Notice: This board has been replaced by the more capable dual MC33926 motor driver carrier.

Pololu item #: 721
Temporarily out of stock. See product page to backorder.
Out of stock.
Quantity:

This board has been replaced by a newer version.

This compact device serves as a four-channel multiplexer of hobby radio control pulses, allowing easy switching between two independent signal sources. A fifth channel selects whether the output is from the master or the slave source: a pulse width below the threshold selects the master channels, while a longer pulse width selects the slave channels. This version comes with header pins soldered in.

Pololu item #: 722
Temporarily out of stock. See product page to backorder.
Out of stock.
Quantity:

This board has been replaced by a newer version.

This compact device serves as a four-channel multiplexer of hobby radio control pulses, allowing easy switching between two independent signal sources. A fifth channel selects whether the output is from the master or the slave source: a pulse width below the threshold selects the master channels, while a longer pulse width selects the slave channels. This version is a partial kit.

Pololu item #: 727
Temporarily out of stock. See product page to backorder.
Out of stock.
Quantity:

Please consider the Maestro USB servo controllers, which are better than this product in almost every way. This product is now only available by large-volume special order. Please contact us for more information.

The Pololu serial 8-servo controller allows you to control up to eight RC servos with almost any robot controller or computer. Connect multiple units to the same serial line to control up to 128 servos independently.

Pololu item #: 728
Temporarily out of stock. See product page to backorder.
Out of stock.
Quantity:

Please consider the Maestro USB servo controllers, which are better than this product in almost every way. This product is now only available by large-volume special order. Please contact us for more information.

This version of the product is packaged as a partial kit in which the surface-mounted components are already assembled. Male header pins and a DB9 connector are included, but they need to be soldered in by the user.

Pololu item #: 729
Temporarily out of stock. See product page to backorder.
Out of stock.
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The Tamiya 72101 gear head motor and 64-mm sponge tire set is part of Tamiya’s new line of products designed specifically for robots. The 380-size brushed DC motors are substantially larger than the 130- and 260-size motors found in the smaller Tamiya gearbox kits, making this drive set capable of moving medium-sized robots weighing up to approximately 10 pounds.

Pololu item #: 730
Temporarily out of stock. See product page to backorder.
Out of stock.
Quantity:

The Tamiya 72102 gear head motor and 130-mm pin spike tire set is part of Tamiya’s new line of products designed specifically for robots. The 380-size brushed DC motors are substantially larger than the 130- and 260-size motors found in the smaller Tamiya gearbox kits, making this drive set capable of moving medium-sized robots weighing up to approximately 10 pounds.

Pololu item #: 732
Temporarily out of stock. See product page to backorder.
Out of stock.
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This set offers everything you need to build an exciting 2, 4, or 6-legged walking robot fitted with sound sensor! Simple design and easy-to-use parts make this set perfect for first-time robot builders. Constructing this robot is fun and educational as it helps you learn the basics of mechanical linkages used to make the legs work.

Pololu item #: 735
Temporarily out of stock. See product page to backorder.
Out of stock.
Quantity:

The Tamiya 58321 Super Clod Buster is a great starting point for a medium-sized outdoor robot. The chassis uses one servo for steering and one for electronic speed control, making it controllable with a 2-channel RC receiver or just two microcontroller I/O lines.

Pololu item #: 740
Temporarily out of stock. See product page to backorder.
Out of stock.
Quantity:

This product has been replaced by our general-purpose USB AVR programmer.

This compact programmer can program the Orangutan, Orangutan SV-168, Orangutan LV-168, and Baby Orangutan robot controllers, as well as the 3pi robot, through a USB connection. The on-board USB-to-serial adapter allows the unit to look like a serial AVRISP programmer to your programming software. The serial port TX and RX lines are connected to separate pads so that the programmer can also be used as a USB-to-serial adapter.

Pololu item #: 741
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Buy an Orangutan USB programmer with your Orangutan and save!

Pololu item #: 742
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Buy an Orangutan USB programmer with your Baby Orangutan mega48 and save!

Pololu item #: 743
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Buy an Orangutan USB programmer with your Baby Orangutan mega168 and save!

Pololu item #: 744
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Buy an Orangutan USB programmer with your Orangutan LV-168 and save!

Pololu item #: 745
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Buy an Orangutan USB programmer with your Baby Orangutan B-48 and save!

Pololu item #: 746
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Buy an Orangutan USB programmer with your Baby Orangutan B-168 and save!

Pololu item #: 747
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Buy an Orangutan USB programmer with your 3pi robot and save! A USB A to mini-B cable is included.

Pololu item #: 750
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We have released improved versions of these switches in several different power levels and with substantially expanded operating voltage ranges. These older switches are now only available by large-volume special order. Please contact us for more information.

The Pololu Pushbutton Power Switch is a patented design initially created for our Orangutan Robot Controllers as an alternative to bulky mechanical switches. The switch is intended to be the main power switch for a DC device requiring up to several amps of current. Please see the detailed description for product details and limitations. This item is the 4.5-20 V standard-voltage version.

Pololu item #: 751
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We have released improved versions of these switches in several different power levels and with substantially expanded operating voltage ranges. These older switches are now only available by large-volume special order. Please contact us for more information.

The Pololu Pushbutton Power Switch is a patented design initially created for our Orangutan Robot Controllers as an alternative to bulky mechanical switches. The switch is intended to be the main power switch for a DC device requiring up to several amps of current. Please see the detailed description for product details and limitations. This item is the 2.5-7.0 V low-voltage version.

Pololu item #: 752
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This board has been replaced by a newer version.

This is the original version of our digital-output RC switch, which converts hobby radio control pulses to digital on/off signals for use in RC switch and simple RC adapter applications. One output indicates the presence of a valid RC signal, and the other output indicates whether the pulse width is above or below the 1.6 ms threshold (with ±0.1 ms hysteresis). This board has been replaced by a newer version that is better in almost every way and should be a drop-in replacement in most cases.

Pololu item #: 754
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We are no longer carrying this jumper wire kit. Please consider the 350-piece wire kit as an alternative.

This jumper wire set contains 25 each of the standard jumper wires that are up to 1 inch long. This jumper wire refill kit is great for replacing the commonly-used and easily-lost shorter wires from the 350-piece jumper wire kit and 350-piece jumper wire kit with adjustable case. This wire kit is compatible with any standard breadboard with a 0.1-inch grid.

Pololu item #: 763
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This discounted combination of Tamiya’s twin-motor gearbox, ball caster, and truck tires and our low-voltage dual motor controller is meant for use with one Pololu round robot chassis.

Pololu item #: 764
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This discounted combination of Tamiya’s twin-motor gearbox, ball caster, and truck tires and our low-voltage dual motor controller is meant for use with two Pololu round robot chassis.

Pololu item #: 765
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Suggested replacement: L3GD20 3-axis gyro

This gyroscope board is a basic carrier/breakout board for the ST LISY300AL single-axis gyro, which measures rotational motion about the yaw (z) axis with a ±300°/s range and outputs an analog voltage. This board has a 3.3V regulator for easy integration with 5V parts, includes a low-pass filter for noise reduction, and is smaller than competing products, all at a lower price.

Pololu item #: 766
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This product has been replaced by the MMA7361L 3-Axis Accelerometer.

Our popular triple-axis accelerometer is a basic carrier board for the Freescale MMA7260QT XYZ-axis accelerometer, a great low-g sensor with adjustable sensitivity from ±1.5 g to ±6 g. Our breakout board includes a 3.3 V regulator for easy integration into 5 V microcontroller projects, and the unit is smaller than competing products, all at a lower price.

Recommended replacements: MMA7361L 3-Axis Accelerometer ±1.5/6g with Voltage Regulator and MMA7341L 3-Axis Accelerometer ±3/11g with Voltage Regulator.

Pololu item #: 769
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This Battlestar-Galactica-inspired electronics kit from Dale Wheat makes a great beginner’s introduction to soldering. Once complete, the five included red LEDs will illuminate in a multitude of fun sequences.

Pololu item #: 774
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This LCD has been replaced by a version with a black bezel.

Pololu item #: 775
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This product is now only available by large-volume special order. Please contact us for more information.

The Orangutan LV-168 is a full-featured controller for low-voltage robots. Thanks to a step-up voltage regulator, you can power this Orangutan with two or three 1.2-1.5 V batteries while maintaining 5 V operation for its Atmel mega168 AVR microcontroller and your sensors. A pair of discrete, low-voltage H-bridges deliver up to 2 A continuous per channel to get the most power out of low-voltage motors.

Pololu item #: 781
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Please consider our 5V boost regulator NCP1402 and 2-AA battery holder as alternatives.

This battery holder from Bodhilabs takes two AA cells and has an efficient 5V step-up regulator on the back, giving you a simple power source for your 5V circuits.

Pololu item #: 782
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Please consider our 5V boost regulator NCP1402 as an alternative.

This battery holder from Bodhilabs takes one AA cell and has an efficient 5V step-up regulator on the back, giving you a simple power source for your 5V circuits.

Pololu item #: 783
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Please consider our 5V boost regulator NCP1402 and 2-AAA battery holder as alternatives.

This battery holder from Bodhilabs takes two AAA cells and has an efficient 5V step-up regulator on the back, giving you a simple power source for your 5V circuits.

Pololu item #: 784
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Please consider our 5V boost regulator NCP1402 or adjustable boost regulator 2.5-9.5V as an alternative.

This board from Bodhilabs is a convenient way to add a step-up voltage regulator to your electronics circuit, allowing you to power your digital logic from two-cell battery packs. The board ships with its regulated output voltage set to 5 V, but you can control the output voltage by changing resistor RF2.

Pololu item #: 786
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This 12-inch (300-mm), flat cable can be used to extend the leads of many common RC hobby servos. It has 22-AWG wires terminated on one end by a “JR”-style male connector and on the other by a “JR”-style female connector.

Note: This servo cable has been replaced by a new version that has male and female ends that are compatible with both Futaba and JR connectors. The new cable can be used as a drop-in replacement for this cable.

Pololu item #: 787
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Please consider our Servo Extension Cable as alternative.

This 24-inch (600-mm), flat cable can be used to extend the leads of many common RC hobby servos. It has 22-AWG wires terminated on one end by a “JR”-style male connector and on the other by a “JR”-style female connector.

Pololu item #: 795
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Please consider our 5V boost regulator NCP1402 or adjustable boost regulator 2.5-9.5V as an alternative.

This board from Bodhilabs is a convenient way to add a step-up voltage regulator to your electronics circuit, allowing you to power your digital logic from two-cell battery packs. The board ships with its regulated output voltage set to 5 V, but you can control the output voltage by changing resistor RF2. The rectangular layout allows it to fit the profile of single-cell battery packs.

Pololu item #: 796
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Please consider our adjustable boost regulator 2.5-9.5V as an alternative.

This battery holder from Bodhilabs takes one AA cell and has an efficient 3.3V step-up regulator on the back, giving you a simple power source for your 3V3 circuits.

Pololu item #: 797
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Please consider our adjustable boost regulator 2.5-9.5V as an alternative.

This battery holder from Bodhilabs takes one AAA cell and has an efficient 3.3V step-up regulator on the back, giving you a simple power source for your 3V3 circuits.

Pololu item #: 830
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These are low cost, screw-style terminal blocks with 5.0 mm pitch. Each unit has two terminals; units slide together to make longer strips. 300 VAC/15 A rating.

Note: This product has been replaced by compatible versions from another supplier. The replacements ship in packs of four.

Pololu item #: 924
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Suggested replacements: DRV8833 dual motor driver carrier or DRV8835 dual motor driver carrier

The L298 is a dual H-bridge driver for DC brushed motors and stepper motors. It supports a wide operating voltage range and can deliver 2 A per channel in a through-hole package that is accessible for do-it-yourself projects.

Pololu item #: 948
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Suggested replacements: Power HD Continuous Rotation Servo AR-3606HB or SpringRC SM-S4303R Continuous Rotation Servo

The GWS35 continuous rotation servo is a standard-sized servo that has been built by GWS for continuous rotation. Since servos have their own integrated control circuitry, this unit gives you an easy way to get your robot moving.

Pololu item #: 958
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We are now only selling this product in packs of two

The QTR-1A reflectance sensor carries a single infrared LED and phototransistor pair in an inexpensive, tiny 0.5" x 0.3" module that can be mounted almost anywhere and is great for edge detection and line following. The reflectance measurement is output as an analog voltage.

Pololu item #: 959
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We are now only selling this product in packs of two

The QTR-1RC reflectance sensor carries a single infrared LED and phototransistor pair in an inexpensive, tiny 0.5" x 0.3" module that can be mounted almost anywhere and is great for edge detection and line following. The output is designed to be measured by a digital I/O line.

Pololu item #: 977
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Please consider the black version of this expansion board as an alternative.

This kit gives you everything you need to add a second level to your 3pi robot. The red printed circuit board has cutouts that let you view the LCD below and make it easier to reach the power button, reset button, and programming header.

Pololu item #: 984
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This 60:1 gearmotor (gearbox with motor) is a low-cost way to drive small- to medium-sized robots. It is similar to the Solarbotics offset-output gear motors, but it draws more current and has a much higher RPM.

Pololu item #: 985
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This 120:1 gearmotor (gearbox with motor) is a low-cost way to drive small- to medium-sized robots. It is similar to the Solarbotics offset-output gear motors, but it draws more current and has a higher RPM.

Pololu item #: 986
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This servo is a generic version of the Joinmax Digital servo and is the same one used in the BCM Gripper. The unique arm on the output shaft allows for mounting options not available with traditional servos. The rotation range is 10° to 170° and the servo can operate from 4.5 to 6 V.

Pololu item #: 987
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This generic version of the Joinmax digital gripper kit comes fully assembled and is a great way to allow your robot to manipulate objects in its environment.

Pololu item #: 988
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This basic wheel has a rubber tire measuring 2.36" (60 mm) in diameter and is designed to fit our 60:1 and 120:1 BCM gear motors.

Pololu item #: 990
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This brushed DC metal gearmotor is a compact (1.26" x 0.63" x 0.63") motor with an enclosed 100:1 metal gearbox. These units have a 0.275"-long, 3 mm-diameter D-shaped output shaft.

Key specs at 6 V: 140 RPM and 90 mA free-run, 15 oz-in (1.0 kg-cm) and 0.8 A stall.

Pololu item #: 991
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This brushed DC metal gearmotor is a compact (1.26" x 0.63" x 0.63") motor with an enclosed 24:1 metal gearbox. These units have a 0.275"-long, 3 mm-diameter D-shaped output shaft.

Key specs at 6 V: 410 RPM and 70 mA free-run, 4 oz-in (0.3 kg-cm) and 0.42 A stall.

Pololu item #: 1217
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We have released a newer encoder solution for our micro metal gearmotors that provides many more counts per revolution and does not put any restrictions on the gearbox output shaft. This older encoder set is now only available by large-volume special order; please contact us for more information.

This quadrature encoder works with our micro metal gearmotors, 42×19mm wheel, and extended bracket to measure the rotation speed and direction of the wheel. With twelve teeth on the wheel, the system provides a resolution of 48 counts per revolution, which corresponds to a linear resolution of just under 3 mm or 1/8″

Pololu item #: 1218
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We have released a newer encoder solution for our micro metal gearmotors that provides many more counts per revolution and does not put any restrictions on the gearbox output shaft. This older encoder set is now only available by large-volume special order; please contact us for more information.

This set includes a pair of 42×19mm wheels, a pair of extended brackets, and two matching encoders. Just pick a pair of micro metal gearmotors to complete your feedback-enabled drive system.

Pololu item #: 1221
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Buy an Orangutan USB programmer with your Baby Orangutan B-328 and save!

Pololu item #: 1222
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The ShiftBrite V2.0 is an RGB LED module with a built-in driver featuring 10-bit digital brightness control on each color channel (over one billion colors). Multiple modules can easily be chained together and controlled from a single microcontroller to create large LED displays. This version has several improvements over the original ShiftBrite, including mounting holes and better power handling. This configuration comes with male header pins soldered in.

Pololu item #: 1225
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Want to build a small robot that doesn’t look like a PCB on wheels? The Orangutan is small enough for integrating into a small robot, rather than being the small robot. With a powerful Atmel mega168 AVR microcontroller, motor drivers, buttons, display, and buzzer, all you need to add is your own chassis, sensors, software,… you know, the fun stuff!

Pololu item #: 1226
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Buy an Orangutan USB programmer with your Orangutan SV-168 and save!

Pololu item #: 1228
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Buy an Orangutan USB programmer with your Orangutan SV-328 and save!

Pololu item #: 1235
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The Satellite Module 003 is an RGB LED bar with three bright surface-mount RGB LEDs. This LED module is designed to be used with the OctoBrite DEFILIPPI to easily integrate full-color LED lighting into your next project.

Pololu item #: 1236
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This tiny LED bar features 12 bright LEDs spanning the colors of the rainbow (red, orange, yellow, yellow-green, green, blue, violet, pink, warm white, and white). Each LED is controlled by a separate transistor and has its own appropriate current-limiting resistor, so only simple (and low power) high and low digital signals are required to turn each LED on and off. Bring your project to life with this colorful LED bar!

Pololu item #: 1237
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These 24" (60 cm), six-conductor cables can be used to chain together ShiftBrite or ShiftBar modules. The cable wires are colored to match the ShiftBrite pin-out, with black for ground and red for power. The cable is composed of stranded 26 AWG wires and has female 0.1" 6×1 connectors on both ends.

Pololu item #: 1238
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These 6" (15 cm), six-conductor cables can be used to chain together ShiftBrite or ShiftBar modules. The cable wires are colored to match the ShiftBrite pin-out, with black for ground and red for power. The cable is composed of stranded 26 AWG wires and has female 0.1" 6×1 connectors on both ends.

Pololu item #: 1239
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These 12" (30 cm), six-conductor cables can be used to chain together ShiftBrite or ShiftBar modules. The cable wires are colored to match the ShiftBrite pin-out, with black for ground and red for power. The cable is composed of stranded 26 AWG wires and has female 0.1" 6×1 connectors on both ends.

Pololu item #: 1240
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These ShiftBrites have been replaced by the ShiftBrite V2.0.

The ShiftBrite is an RGB LED module with a built-in driver featuring 10-bit digital brightness control on each color channel (over one billion colors). Multiple ShiftBrite modules can be easily chained together and controlled from a single microcontroller to create large LED displays. This configuration comes with male header pins soldered in.

Pololu item #: 1241
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These ShiftBrites have been replaced by the Headerless ShiftBrite V2.0.

The ShiftBrite is an RGB LED module with a built-in driver featuring 10-bit digital brightness control on each color channel (over one billion colors). Multiple ShiftBrite modules can be easily chained together and controlled from a single microcontroller to create large LED displays. This configuration comes with no header pins.

Pololu item #: 1242
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The ShiftBar is a medium-power RGB LED controller featuring 10-bit digital brightness control on each color channel (over one billion colors). Multiple ShiftBar modules can be chained together and controlled from a single microcontroller to create large LED displays.

Pololu item #: 1243
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The Satellite Module 001 is an RGB LED module from macetech, containing ten 100 mA 5-chip wide-angle (140 degree) red, green, and blue LEDs. The module runs at 10 V, for a maximum power of 3 W, and it is connected in a common-anode configuration.

Pololu item #: 1244
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This is a medium-power LED controller for up to 24 independent channels of LEDs (or 8 RGB LEDs), featuring 12-bit digital brightness control with up to 20 mA per channel. The board is based on the Texas Instruments TLC5947, which supports voltages of up to 30 V, so each channel can be connected to a chain of several LEDs for bright displays (up to 14 W total LED power). Multiple OctoBrite modules can be chained together to create large LED displays.

Pololu item #: 1245
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The Satellite Module 003 is an RGB LED round “pixel” with three bright surface-mount RGB LEDs. This LED module is designed to be used with the OctoBrite DEFILIPPI to easily integrate full-color LED lighting into your next project.

Pololu item #: 1246
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Please consider the LSM303D 3-Axis Accelerometer and Magnetometer Carrier or MMA7341LC 3-Axis Accelerometer ±3/9g as alternatives.

This tiny triple-axis accelerometer is a basic carrier board for the Freescale MMA7361LC XYZ-axis accelerometer, a great low-g sensor with analog voltage outputs, adjustable sensitivity (±1.5 g or ±6 g), and a 0g-detect digital output that signals when the board is in free-fall. Our breakout board has the form factor of a 10-pin DIP package, which makes it easy to use with standard solderless breadboards and 0.1″ perfboards, and the unit is smaller than competing products, all at a lower price. The board operates from 2.2 to 3.6 V.

Pololu item #: 1249
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This product has been replaced by the 66-Channel LS20031 GPS Receiver Module.

The Locosys LS20031 GPS receiver integrates a MediaTek MT3329 66-channel GPS chip with a ceramic antenna to create a complete GPS module that can track up to 66 GPS satellites at a time.

Pololu item #: 1250
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This board has been replaced by the LSM303DLHC 3D compass and accelerometer carrier.

The LSM303DLH combines a digital 3-axis accelerometer and 3-axis magnetometer into a single package that is ideal for making a tilt-compensated compass. The six independent readings, whose sensitivities can be set in the ranges of ±2 to ±8 g and ±1.3 to ±8.1 gauss, are available through an I²C interface. This LSM303 carrier board includes voltage regulators and a level-shifting circuit that allows operation from 2.6 to 5.5 V, and the 0.1" pin spacing makes it easy to use with standard solderless breadboards and 0.1" perfboards.

Pololu item #: 1251
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Please consider the LSM303D 3-Axis Accelerometer and Magnetometer Carrier or MMA7341LC 3-Axis Accelerometer ±3/9g as alternatives.

This triple-axis accelerometer is a carrier board for the Freescale MMA7361LC XYZ-axis accelerometer, a great low-g sensor with analog voltage outputs and adjustable sensitivity (±1.5 g or ±6 g), and a 0g-detect digital output that signals when the board is in free-fall. The board has a 3.3V linear regulator that enables an input voltage range of 2.2-16 V. The breakout board has a 0.1″ pin spacing making it easy to use with standard solderless breadboards and 0.1″ perfboards.

Pololu item #: 1252
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Please consider the LSM303D 3-Axis Accelerometer and Magnetometer Carrier or MMA7341LC 3-Axis Accelerometer ±3/9g as alternatives.

This triple-axis accelerometer is a carrier board for the Freescale MMA7341LC XYZ-axis accelerometer, a great low-g sensor with analog voltage outputs and adjustable sensitivity (±3 g or ±9 g), and a 0g-detect digital output that signals when the board is in free-fall (±3 g sensitivity setting only). The board has a 3.3V linear regulator that enables an input voltage range of 2.2-16 V. The breakout board has a 0.1″ pin spacing making it easy to use with standard solderless breadboards and 0.1″ perfboards.

Pololu item #: 1253
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This product has been replaced by the CH Robotics UM6-LT Orientation Sensor.

This IMU from CH Robotics is an Attitude and Heading Reference System (AHRS) that combines three gyro axes, three accelerometer axes, three magnetic compass axes, and a powerful 32-bit ARM Cortex on one tiny, 2.7g board. An on-board Extended Kalman Filter (EKF) handles the tricky data fusion problem, reporting yaw, pitch, and roll angles at up to 300 Hz over a simple TTL serial interface. The CHR-6dm provides built-in routines for gyro bias calibration, and PC software is available for automatic soft and hard iron magnetometer calibration. The Cortex’s programming pins are exposed, and the firmware is open-source.

Pololu item #: 1254
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The CHR-6d IMU Development Kit makes it easy to connect the CHR-6d IMU (sold separately) to a PC via an RS-232 serial port, visualize data in real-time, and configure IMU settings. The Development Kit also makes it easy to do custom firmware development for more advanced users.

Note: This product does not work with the CHR-6dm AHRS or the CHR-UM6 orientation sensor.

Pololu item #: 1255
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This product has been replaced by the UM6 r2.

The UM6 ultra-miniature orientation sensor from CH Robotics uses rate gyros, accelerometers, magnetic sensors, and an onboard 32-bit ARM Cortex processor to compute sensor orientation 500 times per second.

Pololu item #: 1256
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This board has been replaced by the UM7-LT.

The UM6-LT ultra-miniature orientation sensor from CH Robotics is an OEM version of their UM6 orientation sensor, providing equivalent functionality without the enclosure or connectors. Like the UM6, it uses rate gyros, accelerometers, magnetic sensors, and an on-board 32-bit ARM Cortex processor to compute sensor orientation 500 times per second. Sensor orientation is reported using either quaternions or Euler angles over a TTL serial interface at user-customizable rates.

Pololu item #: 1258
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This small, 2 W speaker is a compact way to add loud, high-fidelity sound (compared to typical units this size) that can bring your project to life. It includes four 1.0mm-diameter mounting holes. This is the highest-power speaker we carry.

Pololu item #: 1259
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This small, 0.5 W speaker is a compact way to add high-fidelity sound (compared to typical units this size) that can bring your project to life. It includes two 30mm leads, and masked adhesive around the speaker face allows for easy mounting. This is the smallest speaker we carry.

Pololu item #: 1260
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Please consider one of our 9mm electromagnetic buzzers as an alternative.

This piezo sounder is an inexpensive way to add sound to your project. The wide operating voltage of 1 – 30 V and low current draw (5 mA at 9 V) make it easy to control this buzzer directly from a microcontroller I/O line.

Pololu item #: 1261
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This automotive-quality 0.15W speaker is a compact way to add sound to your project. The 100Ω impedance makes it easy to drive this straight from a microcontroller I/O pin.

Pololu item #: 1262
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This high-quality, 50mm speaker can generate sound louder than our smaller 30mm speaker and has a flatter frequency response curve.

Pololu item #: 1263
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This product has been replaced by the CH Robotics UM6-LT Orientation Sensor.

This six-DOF IMU from CH Robotics packs three accelerometer axes, three gyroscope axes, and a STM32F103T8 ARM Cortex processor into a tiny, 0.8" x 0.7" x 0.1" board. The small size and light weight (1.5 g) make the board well suited for unmanned aerial vehicle (UAV) navigation. The integrated 32-bit MPU takes 16-bit readings of the sensors, applies a customizable filter, and reports the results via a TTL serial interface. The Cortex’s programming pins are exposed, and the firmware is open-source.

Pololu item #: 1264
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This board has been replaced by the MinIMU-9 v2.

The Pololu MinIMU-9 is an inertial measurement unit (IMU) that packs an L3G4200D 3-axis gyro and an LSM303DLH 3-axis accelerometer and 3-axis magnetometer onto a tiny 0.9″ × 0.6″ board. An I²C interface accesses nine independent rotation, acceleration, and magnetic measurements that can be used to calculate the sensor’s absolute orientation.

Note: This board has been replaced by the newer MinIMU-9 v2.

Pololu item #: 1265
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This board has been replaced by the MinIMU-9 v2.

The Pololu MinIMU-9 is an inertial measurement unit (IMU) that packs an L3G4200D 3-axis gyro and an LSM303DLM 3-axis accelerometer and 3-axis magnetometer onto a tiny 0.9″ × 0.6″ board. An I²C interface accesses nine independent rotation, acceleration, and magnetic measurements that can be used to calculate the sensor’s absolute orientation.

Note: This board has been replaced by the newer MinIMU-9 v2.

Pololu item #: 1266
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Suggested replacement: L3GD20H 3-axis gyro

This gyroscope board is a basic carrier/breakout board for the ST LPR510AL dual-axis gyro, which measures the angular rates of rotation about the pitch (x) and roll (y) axes. Two separate analog voltage outputs for each axis provide angular velocity ranges of ±100°/s and ±400°/s. This board has a 3.3V regulator for easy integration with 5V parts, includes a low-pass filter on each output for noise reduction, and is smaller than competing products, all at a lower price.

Pololu item #: 1267
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Suggested replacement: L3GD20H 3-axis gyro

This gyroscope board is a basic carrier/breakout board for the ST LPY510AL dual-axis gyro, which measures the angular rates of rotation about the pitch (x) and yaw (z) axes. Two separate analog voltage outputs for each axis provide angular velocity ranges of ±100°/s and ±400°/s. This board has a 3.3V regulator for easy integration with 5 V parts, includes a low-pass filter on each output for noise reduction, and is smaller than competing products, all at a lower price.

Pololu item #: 1268
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This has been replaced by a newer version (v3).

The Pololu MinIMU-9 v2 is an inertial measurement unit (IMU) that packs an L3GD20 3-axis gyro and an LSM303DLHC 3-axis accelerometer and 3-axis magnetometer onto a tiny 0.8″ × 0.5″ board. An I²C interface accesses nine independent rotation, acceleration, and magnetic measurements that can be used to calculate the sensor’s absolute orientation. The module includes a voltage regulator and a level-shifting circuit that allows operation from 2.5 to 5.5 V.

Pololu item #: 1269
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This has been replaced by a newer version (v4).

The Pololu AltIMU-10 is an inertial measurement unit (IMU) and altimeter that features the same L3GD20 gyro and LSM303DLHC accelerometer and magnetometer as the MinIMU-9 v2, and adds an LPS331AP digital barometer. An I²C interface accesses ten independent pressure, rotation, acceleration, and magnetic measurements that can be used to calculate the sensor’s altitude and absolute orientation. The board operates from 2.5 to 5.5 V and has a 0.1″ pin spacing.

Pololu item #: 1270
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Suggested replacement: L3GD20H 3-axis gyro

This gyroscope board is a basic carrier/breakout board for the ST LPR550AL dual-axis gyro, which measures the angular rates of rotation about the pitch (x) and roll (y) axes. Two separate analog voltage outputs for each axis provide angular velocity ranges of ±500°/s and ±2000°/s. This board has a 3.3V regulator for easy integration with 5 V parts, includes a low-pass filter on each output for noise reduction, and is smaller than competing products, all at a lower price.

Pololu item #: 1271
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Suggested replacement: L3GD20H 3-axis gyro

This gyroscope board is a basic carrier/breakout board for the ST LPY550AL dual-axis gyro, which measures the angular rates of rotation about the pitch (x) and yaw (z) axes. Two separate analog voltage outputs for each axis provide angular velocity ranges of ±500°/s and ±2000°/s. This board has a 3.3V regulator for easy integration with 5 V parts, includes a low-pass filter on each output for noise reduction, and is smaller than competing products, all at a lower price.

Pololu item #: 1272
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This board has been replaced by the L3GD20 and L3GD20H 3-axis gyro carriers.

This sensor is a carrier/breakout board for the ST L3G4200D three-axis gyroscope, which measures the angular rates of rotation about the roll (X), pitch (Y), and yaw (Z) axes. Angular velocity measurements with a configurable range of ±250°/s, ±500°/s, or ±2000°/s can be read through a digital I²C or SPI interface. The board operates from 2.5–5.5 V and has a 0.1″ pin spacing.

Pololu item #: 1273
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This board has been replaced by the newer LSM303D carrier, which offer improved magnetic sensing resolution, a wider acceleration measurement range, and the option of using an SPI interface rather than I²C.

The LSM303DLM combines a digital 3-axis accelerometer and 3-axis magnetometer into a single package that is ideal for making a tilt-compensated compass. The six independent readings, whose sensitivities can be set in the ranges of ±2 to ±8 g and ±1.3 to ±8.1 gauss, are available through an I²C interface. The carrier board operates from 2.6 to 5.5 V and has a 0.1″ pin spacing.

Pololu item #: 1275
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Elektor magazine’s first USA Summer Circuits issue is no longer available.

Pololu item #: 1282
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Elektor magazine’s March 2010 issue is no longer available.

Pololu item #: 1286
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Elektor magazine’s USA Special Projects Edition is no longer available.

Pololu item #: 1290
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We no longer have this issue in stock.

Elektor magazine’s December 2010 issue is no longer available.

Pololu item #: 1301
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The Baby Orangutan B-48 is now only available by high-volume, special order. This product has been replaced by the Baby Orangutan B-328 + programmer combo.

Buy an USB AVR programmer with your Baby Orangutan B-48 and save! A USB A to mini-B cable is included.

Pololu item #: 1303
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Buy an USB AVR programmer with your Orangutan LV-168 and save! A USB A to mini-B cable is included.

Pololu item #: 1326
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Please consider one of our other robot controllers as an alternative.

This partial kit gives you the flexibility make a customized Orangutan SVP-324 with the headers and other through-hole components that best suit your project. All of the surface-mount parts are pre-soldered, including an ATmega324PA AVR microcontroller with 32 KB flash and 2 KB RAM, but nothing is soldered to the through-hole pads. The partial kit includes male and female versions of all of the header pins. An LCD is not included.

Pololu item #: 1328
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Please consider one of our other robot controllers as an alternative.

This partial kit gives you the flexibility make a customized Orangutan SVP-1284 with the headers and other through-hole components that best suit your project. All of the surface-mount parts are pre-soldered, including an ATmega1284P AVR microcontroller with 128 KB flash and 16 KB RAM, but nothing is soldered to the through-hole pads. The partial kit includes male and female versions of all of the header pins. An LCD is not included.

Pololu item #: 1440
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This motor has been replaced by a functionally identical version with a protective end cap over the encoder.

Note: This motor has been replaced by a functionally identical version with a protective end cap over the encoder.

This is the motor and encoder portion of our 37D mm metal gearmotors with 64 CPR encoders. It does not include a gearbox, but the pinion gear on the output shaft works with all of our 37D mm gearmotor gearboxes, so this can be used as a replacement motor or encoder for those gearboxes. It is intended for use at 12 V, though the motor can begin rotating at voltages as low as 1 V.

Key specs at 12 V: 11,000 RPM and 300 mA free-run, 5 oz-in (0.3 kg-cm) and 5 A stall.

Pololu item #: 1442
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This gearmotor has been replaced by a functionally identical version with a protective end cap over the encoder.

Note: This gearmotor has been replaced by a functionally identical version with a protective end cap over the encoder.

This gearmotor is a powerful 12V brushed DC motor with a 18.75:1 metal gearbox and an integrated quadrature encoder that provides a resolution of 64 counts per revolution of the motor shaft, which corresponds to 1200 counts per revolution of the gearbox’s output shaft. These units have a 0.61"-long, 6 mm-diameter D-shaped output shaft. This gearmotor is also available without an encoder.

Key specs at 12 V: 500 RPM and 300 mA free-run, 84 oz-in (5 kg-cm) and 5 A stall.

Pololu item #: 1443
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This gearmotor has been replaced by a functionally identical version with a protective end cap over the encoder.

Note: This gearmotor has been replaced by a functionally identical version with a protective end cap over the encoder.

This gearmotor is a powerful 12V brushed DC motor with a 30:1 metal gearbox and an integrated quadrature encoder that provides a resolution of 64 counts per revolution of the motor shaft, which corresponds to 1920 counts per revolution of the gearbox’s output shaft. These units have a 0.61"-long, 6 mm-diameter D-shaped output shaft. This gearmotor is also available without an encoder.

Key specs at 12 V: 350 RPM and 300 mA free-run, 110 oz-in (8 kg-cm) and 5 A stall.

Pololu item #: 1444
Temporarily out of stock. See product page to backorder.
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This gearmotor has been replaced by a functionally identical version with a protective end cap over the encoder.

Note: This gearmotor has been replaced by a functionally identical version with a protective end cap over the encoder.

This gearmotor is a powerful 12V brushed DC motor with a 50:1 metal gearbox and an integrated quadrature encoder that provides a resolution of 64 counts per revolution of the motor shaft, which corresponds to 3200 counts per revolution of the gearbox’s output shaft. These units have a 0.61"-long, 6 mm-diameter D-shaped output shaft. This gearmotor is also available without an encoder.

Key specs at 12 V: 200 RPM and 300 mA free-run, 170 oz-in (12 kg-cm) and 5 A stall.

Pololu item #: 1445
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This gearmotor has been replaced by a functionally identical version with a protective end cap over the encoder.

Note: This gearmotor has been replaced by a functionally identical version with a protective end cap over the encoder.

This gearmotor is a powerful 12V brushed DC motor with a 70:1 metal gearbox and an integrated quadrature encoder that provides a resolution of 64 counts per revolution of the motor shaft, which corresponds to 4480 counts per revolution of the gearbox’s output shaft. These units have a 0.61"-long, 6 mm-diameter D-shaped output shaft. This gearmotor is also available without an encoder.

Key specs at 12 V: 150 RPM and 300 mA free-run, 200 oz-in (14 kg-cm) and 5 A stall.

Pololu item #: 1446
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This gearmotor has been replaced by a functionally identical version with a protective end cap over the encoder.

Note: This gearmotor has been replaced by a functionally identical version with a protective end cap over the encoder.

This gearmotor is a powerful 12V brushed DC motor with a 102.083:1 metal gearbox and an integrated quadrature encoder that provides a resolution of 64 counts per revolution of the motor shaft, which corresponds to 6533 counts per revolution of the gearbox’s output shaft. These units have a 0.61"-long, 6 mm-diameter D-shaped output shaft. This gearmotor is also available without an encoder.

Key specs at 12 V: 100 RPM and 300 mA free-run, 220 oz-in (16 kg-cm) and 5 A stall.

Pololu item #: 1447
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This gearmotor has been replaced by a functionally identical version with a protective end cap over the encoder.

Note: This gearmotor has been replaced by a functionally identical version with a protective end cap over the encoder.

This gearmotor is a powerful 12V brushed DC motor with a 131.25:1 metal gearbox and an integrated quadrature encoder that provides a resolution of 64 counts per revolution of the motor shaft, which corresponds to 8400 counts per revolution of the gearbox’s output shaft. These units have a 0.61"-long, 6 mm-diameter D-shaped output shaft. This gearmotor is also available without an encoder.

Key specs at 12 V: 80 RPM and 300 mA free-run, 250 oz-in (18 kg-cm) and 5 A stall.

Pololu item #: 1450
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We have released new versions of our 20D mm gearmotors with a wider range of gear ratios and longer output shafts. The closest new gear ratio to this older version is the 63:1 Metal Gearmotor 20Dx43L mm 6V (the motor portion is unchanged).

These small brushed DC gearmotors can deliver a lot of power for their size. This version has a 6V brushed DC motor combined with a 56:1 metal spur gearbox. The gearmotor is cylindrical with a diameter of 20 mm, and the D-shaped output shaft is 4 mm in diameter and extends 10.7 mm from the face plate of the gearbox.

Key specs at 6 V: 250 RPM and 250 mA free-run, 45 oz-in (3.3 kg-cm) and 3.2 A stall.

Pololu item #: 1460
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This adapter has been replaced by a lighter, smaller alternative.

This UL-listed 5 W, “wall wart”-style switching power adapter supplies up to 1 A at a regulated 5 VDC. The AC adapter works with input voltages of 100 – 240 VAC and has a 1.5 m (5 ft) DC power cord that is terminated by a center-positive, 5.5 × 2.1 mm barrel connector.

Pololu item #: 1492
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This controller has been replaced by the RoboClaw 2x5A (V5).

The RoboClaw motor controllers from Ion Motion Control (formerly Orion Robotics) can control a pair of brushed DC motors using serial, RC, or analog inputs. Integrated dual quadrature decoders make it easy to create a closed-loop speed control system, or analog feedback can be used for position control. This version can supply a continuous 5 A per channel (10 A peak).

Pololu item #: 1493
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This controller has been replaced with the RoboClaw 2x15A with USB (V4).

The RoboClaw motor controllers from Orion Robotics can control a pair of brushed DC motors using serial, RC, or analog inputs. Integrated dual quadrature decoders make it easy to create a closed-loop speed control system, or analog feedback can be used for position control. This version can supply a continuous 15 A per channel (30 A peak).

Pololu item #: 1494
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This controller has been replaced with the RoboClaw 2x30A with USB (V4).

The RoboClaw motor controllers from Orion Robotics can control a pair of brushed DC motors using serial, RC, or analog inputs. Integrated dual quadrature decoders make it easy to create a closed-loop speed control system, or analog feedback can be used for position control. This version can supply a continuous 30 A per channel (60 A peak).

Pololu item #: 1495
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This controller has been replaced with the newer RoboClaw 2x5A (v4).

Basic Micro’s RoboClaw motor controller can control a pair of brushed DC motors using serial, RC, or analog inputs. Integrated dual quadrature decoders make it easy to create a closed-loop speed control system. This version can supply a continuous 5 A per channel (10 A peak).

Pololu item #: 1496
Temporarily out of stock. See product page to backorder.
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This controller has been replaced with the newer RoboClaw 2x15A with USB (V4).

Basic Micro’s RoboClaw motor controller can control a pair of brushed DC motors using serial, RC, or analog inputs. Integrated dual quadrature decoders make it easy to create a closed-loop speed control system. This version can supply a continuous 15 A per channel (30 A peak).

Pololu item #: 1497
Temporarily out of stock. See product page to backorder.
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This controller has been replaced with the newer RoboClaw 2x30A with USB (V4).

Basic Micro’s RoboClaw motor controller can control a pair of brushed DC motors using serial, RC, or analog inputs. Integrated dual quadrature decoders make it easy to create a closed-loop speed control system. This version can supply a continuous 30 A per channel (60 A peak).

Pololu item #: 1498
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This controller has been replaced with the newer RoboClaw 2x60A with USB (V4).

The RoboClaw motor controllers from Orion Robotics can control a pair of brushed DC motors using serial, RC, or analog inputs. Integrated dual quadrature decoders make it easy to create a closed-loop speed control system. This version can supply a continuous 60 A per channel (120 A peak).

Pololu item #: 1556
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This color has been discontinued, but metallic red and chrome versions are still available.

These two large (120mm-diameter) wheels from Dagu Electronics match those on the Dagu Wild Thumper chassis and can be used as replacement parts or for custom robots that need to traverse complex, rugged terrain. The black tires are made of soft, spiked rubber for increased traction, and the plastic hubs are metallic orange/gold in color. The included adapters let you easily mount the wheels to motors with 4mm output shafts. These wheels are sold in pairs: you get two wheels, two 4mm adapters, and one 3mm hex wrench that matches the adapter screws.

Pololu item #: 1558
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These wheels are now available in metallic red pairs and chrome pairs. We are no longer selling these wheels individually.

This wheel is now only available in pairs (and the color is lighter, somewhere between metallic orange and gold).

Pololu item #: 1559
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These wheels are now available in metallic red pairs and chrome pairs. We are no longer selling these wheels individually.

This wheel is now only available in pairs.

Pololu item #: 1562
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This black Wild Thumper Chassis is now only available with metallic-red hubs.

This rugged, 6-wheel-drive chassis from Dagu Electronics has independent suspension for each of its spiked 120mm-diameter wheels, allowing exceptional traction over uneven terrain, and its body is made from 2mm-thick anodized aluminum with a 10mm-pitch grid of 4mm holes, making it easy to mount electronics and accessories to the chassis. Assembly of the chassis is a simple three-step process that takes just minutes. This model is black with chrome-colored hubs and has 34:1 steel gearboxes on the motors.

Pololu item #: 1569
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This bracket has been replaced by a new version with quarter-inch mounting hole spacing.

These aluminum gearmotor brackets let you securely mount Pololu’s 25D mm metal gearmotors to your project. The brackets are sold in pairs, and each bracket includes four M3 screws for securing the motor to the bracket. Each bracket also features seven mounting holes and fourteen mounting slots for M3 or #4-size screws (not included), giving you a variety of mounting options.

Pololu item #: 1604
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The Scribbler Robot comes fully assembled and pre-programmed with eight demo modes including line-following and light-seeking. Place a marker in its pen port so it draws as it drives. Software for programming the Scribbler comes with the included CD.

Pololu item #: 1607
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This adapter has been replaced by the Wall Power Adapter: 9VDC, 1A, 5.5×2.1mm Barrel Jack, Center-Positive.

This 9 Volt DC 300mA wall pack power supply has been discontinued. Please see our Wall-Adapter Power Supply – 9VDC 650mA for a replacement.

Pololu item #: 1610
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The Scribbler 2 Robot (S2) is a fully assembled robot pre-programmed with eight demo modes including line-following and light-seeking. Custom programs for the S2 can be built using the graphics-based S2 GUI or text-based Propeller Tool code editor, both of which are available to download for free. These options, along with Parallax’s user-friendly documentation and manuals, make the S2 a great choice for both beginning and expert programmers.

Pololu item #: 1612
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This is an evaluation board from SparkFun for the Silicon Laboratories Si4703 FM tuner chip. Beyond being a simple FM radio, the Si4703 is also capable of detecting and processing both Radio Data Service (RDS) and Radio Broadcast Data Service (RBDS) information. The Si4703 does filtering, carrier detection and captures data such as the station ID and song name.

Pololu item #: 1613
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This product has been replaced by the RN-41 Bluetooth Module Carrier. This product has firmware version 4.77, and the replacement has version 6.15.

This simple DIP breakout board from SparkFun for the Roving Networks RN-41 Bluetooth module lets you add a Bluetooth interface to a device that has a 3.3V serial port. Two 0.1" headers spaced 0.8" apart makes it easy to use with standard solderless breadboards and 0.1" perfboards. All pertinent pins are broken out and labeled. The RN-41 Bluetooth module on this carrier has firmware version 4.77.

Pololu item #: 1614
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This Arduino has been replaced by the Arduino Uno R3.

The Arduino Uno, the successor to the Arduino Duemilanove, is a microcontroller board based on a surface-mounted (SMD) ATmega328 AVR microcontroller. It has 20 digital input/output pins (of which 6 can be used as PWM outputs and 6 can be used as analog inputs), a 16 MHz resonator, a USB connection, a power jack, an in-circuit system programming (ICSP) header, and a reset button. The Arduino has an extensive support community, which makes it a very easy way to get started working with embedded electronics.

Pololu item #: 1615
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This product has been replaced by the newer SparkFun Starter Kit for RedBoard.

The SparkFun Arduino Uno starter kit makes it easy to get started building entertaining and educational circuits with an Arduino. The kit includes an Arduino Uno along with a multitude of inputs, outputs, and sensors to get you started in the wonderful world of embedded electronics.

Pololu item #: 1616
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This Arduino has been replaced by the Arduino Uno R3.

The Arduino Uno, the successor to the Arduino Duemilanove, is a microcontroller board based on a removable, dual-inline-package (DIP) ATmega328 AVR microcontroller. It has 20 digital input/output pins (of which 6 can be used as PWM outputs and 6 can be used as analog inputs), a 16 MHz resonator, a USB connection, a power jack, an in-circuit system programming (ICSP) header, and a reset button. The Arduino has an extensive support community, which makes it a very easy way to get started working with embedded electronics.

Pololu item #: 1617
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This product has been replaced by the LPS331AP Pressure/Altitude Sensor Carrier with Voltage Regulator.

The MPL115A1 is a MEMS digital barometer that takes barometric pressure readings with a range of 50 to 115 kPa and an accuracy of ±1 kPa and provides the results over an SPI interface. This sensor also doubles as a temperature sensor that operates from -40 to 105 °C. The breakout board’s pins are spaced 0.1" apart making it easy to use with standard breadboards and 0.1" perfboards.

Pololu item #: 1619
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This breakout board from Sparkfun is a carrier for the ISD1932 multiple-message record/playback IC. It can record up to 64 seconds of voice messages with two different recording trigger modes. The chip has a flexible supply voltage of 2.4 to 5 VDC and breaks out all of the ISD1932’s pins to 0.1"-spaced headers.

Pololu item #: 1620
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Please consider the ADMP401 MEMS Microphone Breakout Board as an alternative.

Ready to add sound detection to your next project? This compact breakout board from SparkFun couples a small electret microphone with a 100x opamp, converting sound into amplified analog voltages that can be measured by a microcontroller’s analog-to-digital converter (ADC). The unit comes fully assembled as shown and works from 2.7 to 5.5 V.

Pololu item #: 1621
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Ready to add sound detection to your next project? This small breakout board from SparkFun couples a tiny microelectromechanical system (MEMS) microphone with a 100x gain external amplifying circuit, converting sound into analog voltage signals that can be measured by a microcontroller’s analog-to-digital converter (ADC). The unit comes fully assembled as shown and works from 1.5 to 3.6 V.

Pololu item #: 1622
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The uLog is a tiny analog-voltage logger with a 3.3V TTL serial interface. It uses an Atmel ATtiny24 AVR to sample three analog voltage channels at 50 Hz with 10-bit resolution and stores the data on an AT45DB161D 16 Mbit flash IC, which allows for approximately two hours of logging when running the default firmware.

Pololu item #: 1623
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SparkFun’s Logomatic v2 incorporates an NXP LPC2148 ARM7 microcontroller with USB, LiPo battery charging, and microSD support to create a highly flexible logger. The default firmware supports serial logging and 8 channels of analog voltage logging, and a bootloader allows for custom modification of the open-source firmware without the need for an external programmer.

Pololu item #: 1624
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This product has been replaced by the Arduino Uno Starter Kit.

The SparkFun Arduino Duemilanove starter kit is a great gift for beginners and weathered professionals alike. Included is a multitude of inputs, outputs, and sensors to get you started in the wonderful world of embedded electronics.

Pololu item #: 1625
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This product has been replaced by the Hakko FX-888D Digital Soldering Station

This variable-temperature soldering station features a digital temperature control and display adjustable from 200-480°C (392-896°F). The station’s 70W capacity enables the soldering iron to work with both leaded and lead-free solder. The station is ESD-safe and has an optional 30-minute auto sleep mode when the station is idle.

Pololu item #: 1626
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This combined hot air and soldering iron station is great for doing surface-mount (SMT) soldering and rework. The hot air gun melts solder connections on multi-pin integrated circuits and the fine-tip iron solders fine-pitch parts. The station features independent control of hot air flow rate, air temperature, and iron temperature.

Pololu item #: 1627
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This 3-piece hex driver set has sockets for 3/16", 1/4", and 5/16" hex nuts or bolts.

Pololu item #: 1630
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This Arduino has been replaced by the Arduino Uno R3.

The Arduino Duemilanove is a microcontroller board based on the ATmega328 AVR microcontroller. It has 20 digital input/output pins (of which 6 can be used as PWM outputs and 6 can be used as analog inputs), a 16 MHz crystal oscillator, a USB connection, a power jack, an in-circuit system programming (ICSP) header, and a reset button. The Arduino has an extensive support community, which makes it a very easy way to get started working with embedded electronics.

Pololu item #: 1631
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This product has been replaced by the Weather Shield for Arduino.

This USB weather board from SparkFun is fitted with a SCP1000 absolute pressure (and temperature) sensor, a SHT15 humidity sensor, and a TEMT6000 ambient light sensor. This allows the on-board ATmega8 to deliver pressure, humidity, temperature, and light level via USB. Serial output is a single ASCII string at 9600bps, 8N1, at 1 reading per second.

Pololu item #: 1632
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Suggested replacement: BMP085 Barometric Pressure Sensor Breakout Board

SparkFun’s carrier board for the SCP1000-D01 absolute pressure (and temperature) sensor allows pressure measurements with 17-bit (1.5 Pa) resolution over a range of 30 to 120 kPa, which lets it work well as part of a barometer or altimeter. Both the pressure sensor and built-in thermometer can be read via the SPI lines brought out by the carrier board to a 0.1" header.

Pololu item #: 1635
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This product has been replaced by the PIR Motion Sensor, which is functionally identical to this product but features a different (JST PH) connector.

The passive infrared detector (PID) motion sensor SE-10, also called a passive infrared (PIR) sensor, detects movement of infrared light sources at 7 to 14 μm. People emit infrared radiation from 8 to 14 μm, which makes this an excellent sensor for detecting human movement. Two infrared detector “pixels” allow the detector to filter out changes affecting the whole sensing area, like weather or light.

Pololu item #: 1640
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This switching power adapter supplies up to 1 A at a regulated 5 VDC. The AC adapter works with input voltages of 100 – 240 VAC and has a 4.5-foot cord that is terminated by a center-positive 5.5 x 2.1 mm barrel connector.

Note: This product has been replaced by the Wall Power Adapter: 5VDC, 1A, 5.5×2.1mm Barrel Jack, Center-Positive.

Pololu item #: 1641
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This switching power adapter supplies up to 650 mA at a regulated 9 VDC. The AC adapter works with input voltages of 100 – 240 VAC and has a 4.5-foot cord that is terminated by a center-positive 5.5 x 2.1 mm barrel connector.

Note: This product has been replaced by the Wall Power Adapter: 9VDC, 1A, 5.5×2.1mm Barrel Jack, Center-Positive.

Pololu item #: 1642
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This switching power adapter supplies up to 600 mA at a regulated 12 VDC. The AC adapter works with input voltages of 100 – 240 VAC and has a 4.5-foot cord that is terminated by a center-positive 5.5 x 2.1 mm barrel connector.

Note: This product has been replaced by the Wall Power Adapter: 12VDC, 1A, 5.5×2.1mm Barrel Jack, Center-Positive.

Pololu item #: 1644
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This product has been replaced by the SparkFun Inventor’s Kit for Arduino.

The Arduino Inventor’s Kit from SparkFun Electronics and Oomlout is a box of goodies to get the very beginner started with programmable electronics. It includes everything you need to build 14 basic circuits connected to an Arduino Uno, and no soldering is required! An included 40-page booklet guides you through the construction of each project, and each project has a breadboard-overlay card that shows you exactly where each component goes on your breadboard.

Pololu item #: 1646
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This product has been replaced by the LPS331AP Pressure/Altitude Sensor Carrier with Voltage Regulator.

This is a simple breakout board from SparkFun for the BMP085 high-precision, low-power barometric pressure sensor. The BMP085 offers a measuring range of 30 to 110 kPa with an absolute accuracy of down to 0.1 kPa. It uses piezo-resistive technology for robustness, accuracy and linearity as well as long term stability. This sensor supports a voltage supply between 1.8 and 3.6VDC. It is designed to be connected directly to a microcontroller via an I²C bus.

Pololu item #: 1647
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This product has been replaced by the newer Evaluation Board for Si4703 FM Tuner.

This is a breakout board from SparkFun for the Silicon Laboratories Si4703 FM tuner chip. Beyond being a simple FM radio, the Si4703 is also capable of detecting and processing both Radio Data Service (RDS) and Radio Broadcast Data Service (RBDS) information. The Si4703 even does the job of filtering and carrier detection and captures data such as the station ID and song name.

Pololu item #: 1648
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Suggested replacement: Power HD Ultra-High-Torque, High-Voltage Digital Giant Servo HD-1235MG.

For projects that require brute strength, look no further than the S689-2BB/MG. This giant-scale servo from GWS delivers extremely high torque, and it doesn’t sacrifice speed to do it. The output shaft is supported by two ball bearings, and the gears are metal for increased durability. Servo horns and associated hardware are included.

Key specs at 6 V: 0.128 sec/60°, 400 oz-in (30 kg-cm), 160 g.

Pololu item #: 1649
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Suggested replacement: Goteck Mini GS-D9257 servo.

The GWS PARK HPX Mini Servo is a small servo that has about the same power as a standard servo, runs faster, and has a transparent case that makes it especially well suited for science projects and demonstrations.

Pololu item #: 1655
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Learn electronics with the Elenco 75-In-One Electronic Project Lab! This kit includes everything you need to get started building your own electronic circuits. Components such as resistors, capacitors, LEDs, ICs and more are securely attached to the electronic lab so you can spend less time searching for components and more time learning how to build that next circuit! This kit requires four AA batteries (not included).

Pololu item #: 1657
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Learn electronics with the Elenco 200-In-One Electronic Project Lab! This kit includes everything you need to get started building your own electronic circuits. Components such as resistors, capacitors, LEDs, ICs and more are securely attached to the electronic lab so you can spend less time searching for components and more time learning how to build that next circuit! This kit requires six AA batteries (not included).

Pololu item #: 1659
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Learn electronics with the Elenco 500-In-One Electronic Project Lab! This kit includes everything you need to get started building your own electronic circuits. The largest of the project labs, this kit contains all the fun and education of the smaller kits, and takes your education a step further by teaching its users about microcontrollers and programming. This kit includes the six required AA batteries.

Pololu item #: 1665
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The MaxSonar-UT is the ultrasonic transducer used in the MaxSonar family of sonar range finders. It has a sound pressure level (SPL) of 117 dB (0 dB = 0.2 nBar) and a sensitivity of -60 dB (0 dB = 1 V/μ bar).

Pololu item #: 1673
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Please consider one of our other electronic kits.

The Go Labs Mighty Motor kit lets you build a DC motor and use it to propel the included boat. Wind your own armature coils and position magnets to explore the link between electricity and magnetism, and its practical application in DC motors.

Pololu item #: 1674
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The Solar Power kit guides you through 150 activities that show how to transfer solar energy into other forms of energy. With the included parts you can build a solar electric generator, motor, water heater, thermometer, galvanometer and many other devices.

Pololu item #: 1677
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This gearbox is now only available in gray.

Tamiya’s double gearbox packs two independent gear trains into a compact and affordable package that is great for small mobile robots. Each side can be assembled to have one of four gear ratios: 12.7:1, 38:1, 115:1, or 344:1.

Pololu item #: 1678
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The single gearbox is perfect if you like the gear ratio options of the 70168 double gearbox but need just one motor or added flexibility in positioning multiple output shafts. Available gear ratios are: 12.7:1, 38:1, 115:1, or 344:1.

Pololu item #: 1679
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This gearbox kit is now only available in solid gray.

This gearbox has four possible gear ratios, including the highest gear ratio of Tamiya’s gearbox series, 5402:1. The other options are 126:1, 441:1, and 1543:1. This gearbox also features a worm gear, which locks the output shaft when the motor is not turning.

Pololu item #: 1680
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This gearbox is now only available in gray.

Tamiya’s twin-motor gearbox consists of two independent brushed DC motors and gearboxes in one compact housing, making it perfect for small robots. You can assemble the gearboxes to have a 58:1 or a 204:1 gear ratio.

Pololu item #: 1681
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This gearbox is now only available in gray.

Tamiya’s 3-speed crank-axle gearbox looks very much like half of the twin-motor gearbox (with an added gear ratio option). This compact gearbox can be built in one of three gear ratios (17:1, 58:1, and 204:1), and is Tamiya’s cheapest, general-purpose gearbox.

Pololu item #: 1690
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The Narobo DroneCell makes it easy to build wireless projects based on cellular telephone technology. When equipped with an active SIM card (not included), the DroneCell becomes a GSM/GPRS quad-band cell phone with a TTL serial interface, enabling remote control of your project anywhere there is cell phone reception (e.g. control your robot in Los Angeles from your laptop in New York City). It can communicate via text messages (short message service), via phone calls, and over the Internet. The header pins have 0.1" spacing, making this cellular module compatible with standard solderless breadboards and 0.1" perfboards.

Pololu item #: 1691
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This packaged 0.45 W solar cell has a 5.5 mm × 2.1 mm barrel plug termination. It is a custom solar cell produced for SparkFun – not a small toy or surplus cell. This solar cell is rated for 4.5 V open voltage and 100 mA short circuit.

Pololu item #: 1692
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This packaged 2.5 W solar cell has a 5.5 mm × 2.1 mm barrel plug termination. It is a custom solar cell produced for SparkFun – not a small toy or surplus cell. This solar cell is rated for 8 V open voltage and 310 mA short circuit.

Pololu item #: 1693
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This product has been replaced by the Weather Shield for Arduino.

Got weather? This board can handle it. The USB Weather Board from SparkFun includes on-board sensors for barometric pressure, humidity, temperature, and light level.

Pololu item #: 1697
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Please consider one of our other force-sensing resistors or linear potentiometers.

This force-sensing resistor (FSR) from Interlink Electronics is a passive component that exhibits a decrease in resistance when there is an increase in the force applied to the 24″ × 0.4″ (61 cm × 1 cm) active area, allowing you to create a sensor that is able to detect force or pressure. With a force sensitivity range of a few grams to a few kilograms, this sensor is optimized for use in human touch control applications.

Pololu item #: 1698
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This Arduino has been replaced by the Arduino Mega 2560 R3.

The Arduino Mega 2560, the successor to the Arduino Mega, is a microcontroller board based on a ATmega2560 AVR microcontroller. It has 70 digital input/output pins (of which 14 can be used as PWM outputs and 16 can be used as analog inputs), a 16 MHz resonator, a USB connection, a power jack, an in-circuit system programming (ICSP) header, and a reset button. The Arduino has an extensive support community, which makes it a very easy way to get started working with embedded electronics.

Pololu item #: 1776
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Elektor magazine’s December 2011 issue is no longer available.

Pololu item #: 1783
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We no longer have this issue in stock.

Elektor magazine’s July/August 2012 issue is no longer available.

Pololu item #: 1786
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We no longer have this issue in stock.

Elektor magazine’s November 2012 issue is no longer available.

Pololu item #: 1787
Temporarily out of stock. See product page to backorder.
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Elektor magazine’s December 2012 issue is no longer available.

Pololu item #: 1794
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Elektor magazine’s September 2013 issue is no longer available.

Pololu item #: 1939
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This cable has been replaced by a 6’-long version.

This Micro-USB cable is 5 ft (1.5 m) long and is terminated on one end by a Type-A USB plug and on the other by a Micro-B USB plug. This cable works with high-speed USB devices.

Pololu item #: 1216
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This product has been replaced by the Baby Orangutan B-328.

The Baby Orangutan B-168 is a very compact but complete robot controller, packing a high-performance AVR microcontroller and two motor drive channels in the same 24-pin form factor as competing units that include just a microcontroller. You can connect your battery, sensors, and motors directly to this small module to make a miniature robot, or you can use the Baby Orangutan as an auxiliary controller in larger robots. Note: This version has been replaced by the Baby Orangutan B-328

Pololu item #: 2170
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This 12" (30 cm) harness has an inline on/off switch, with a 0.1" 3-pin female connector on one end and both a male and a female connector on the other.

Pololu item #: 2171
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This 18" (45 cm) harness has an inline on/off switch, with a 0.1" 3-pin female connector on one end and both a male and a female connector on the other.

Pololu item #: 2773
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This Arduino shield from Adafruit features TI’s CC3000 Wi-Fi module with an onboard ceramic antenna, a microSD card socket, and a designated prototyping area. The CC3000 uses SPI for communication instead of UART, so the communication speed is not limited to a fixed baud rate. It supports 802.11b/g, open/WEP/WPA/WPA2 security, TKIP, and AES, and a built-in TCP/IP stack with a BSD socket interface supports TCP and UDP in client and server mode with up to 4 concurrent socket connections. An Arduino library and example sketches make it easy to get started.

Pololu item #: 2162
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The ShiftBrite V2.0 is an RGB LED module with a built-in driver featuring 10-bit digital brightness control on each color channel (over one billion colors). Multiple modules can easily be chained together and controlled from a single microcontroller to create large LED displays. This version has several improvements over the original ShiftBrite, including mounting holes and better power handling. This configuration comes with no header pins.

Pololu item #: 2332
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For alternatives, please consider the Concentric LD series linear actuators.

This 12 V linear actuator has a load rating of 110 lbs (51 kg) and a maximum speed of 0.6 in/s (16 mm/s). Limit switches at each end make the actuator easy to control over its full range of motion, and the worm drive ensures that the shaft will hold its position even when unpowered. This version has a 4-inch stroke and no potentiometer.

Pololu item #: 2333
Temporarily out of stock. See product page to backorder.
Out of stock.
Quantity:

For alternatives, please consider the Concentric LD series linear actuators.

This 12 V linear actuator has a load rating of 110 lbs (51 kg) and a maximum speed of 0.6 in/s (16 mm/s). Limit switches at each end make the actuator easy to control over its full range of motion, and the worm drive ensures that the shaft will hold its position even when unpowered. This version has a 4-inch stroke and a built-in potentiometer for position feedback.

Pololu item #: 2336
Temporarily out of stock. See product page to backorder.
Out of stock.
Quantity:

For alternatives, please consider the Concentric LD series linear actuators.

This 12 V linear actuator has a load rating of 110 lbs (51 kg) and a maximum speed of 0.6 in/s (16 mm/s). Limit switches at each end make the actuator easy to control over its full range of motion, and the worm drive ensures that the shaft will hold its position even when unpowered. This version has an 8-inch stroke and no potentiometer.

Pololu item #: 2337
Temporarily out of stock. See product page to backorder.
Out of stock.
Quantity:

For alternatives, please consider the Concentric LD series linear actuators.

This 12 V linear actuator has a load rating of 110 lbs (51 kg) and a maximum speed of 0.6 in/s (16 mm/s). Limit switches at each end make the actuator easy to control over its full range of motion, and the worm drive ensures that the shaft will hold its position even when unpowered. This version has an 8-inch stroke and a built-in potentiometer for position feedback.

Pololu item #: 2340
Temporarily out of stock. See product page to backorder.
Out of stock.
Quantity:

For alternatives, please consider the Concentric LD series linear actuators.

This 12 V linear actuator has a load rating of 110 lbs (51 kg) and a maximum speed of 0.6 in/s (16 mm/s). Limit switches at each end make the actuator easy to control over its full range of motion, and the worm drive ensures that the shaft will hold its position even when unpowered. This version has a 12-inch stroke and no potentiometer.

Pololu item #: 2341
Temporarily out of stock. See product page to backorder.
Out of stock.
Quantity:

For alternatives, please consider the Concentric LD series linear actuators.

This 12 V linear actuator has a load rating of 110 lbs (51 kg) and a maximum speed of 0.6 in/s (16 mm/s). Limit switches at each end make the actuator easy to control over its full range of motion, and the worm drive ensures that the shaft will hold its position even when unpowered. This version has a 12-inch stroke and a built-in potentiometer for position feedback.

Pololu item #: 2344
Temporarily out of stock. See product page to backorder.
Out of stock.
Quantity:

For alternatives, please consider the Concentric LD series linear actuators.

This 12 V linear actuator has a load rating of 22 lbs (10 kg) and a maximum speed of 1.5 in/s (40 mm/s). Limit switches at each end make the actuator easy to control over its full range of motion, and the worm drive ensures that the shaft will hold its position even when unpowered. This version has a 4-inch stroke and no potentiometer.

Pololu item #: 2345
Temporarily out of stock. See product page to backorder.
Out of stock.
Quantity:

For alternatives, please consider the Concentric LD series linear actuators.

This 12 V linear actuator has a load rating of 22 lbs (10 kg) and a maximum speed of 1.5 in/s (40 mm/s). Limit switches at each end make the actuator easy to control over its full range of motion, and the worm drive ensures that the shaft will hold its position even when unpowered. This version has a 4-inch stroke and a built-in potentiometer for position feedback.

Pololu item #: 2348
Temporarily out of stock. See product page to backorder.
Out of stock.
Quantity:

For alternatives, please consider the Concentric LD series linear actuators.

This 12 V linear actuator has a load rating of 22 lbs (10 kg) and a maximum speed of 1.5 in/s (40 mm/s). Limit switches at each end make the actuator easy to control over its full range of motion, and the worm drive ensures that the shaft will hold its position even when unpowered. This version has an 8-inch stroke and no potentiometer.

Pololu item #: 2349
Temporarily out of stock. See product page to backorder.
Out of stock.
Quantity:

For alternatives, please consider the Concentric LD series linear actuators.

This 12 V linear actuator has a load rating of 22 lbs (10 kg) and a maximum speed of 1.5 in/s (40 mm/s). Limit switches at each end make the actuator easy to control over its full range of motion, and the worm drive ensures that the shaft will hold its position even when unpowered. This version has an 8-inch stroke and a built-in potentiometer for position feedback.

Pololu item #: 2352
Temporarily out of stock. See product page to backorder.
Out of stock.
Quantity:

For alternatives, please consider the Concentric LD series linear actuators.

This 12 V linear actuator has a load rating of 22 lbs (10 kg) and a maximum speed of 1.5 in/s (40 mm/s). Limit switches at each end make the actuator easy to control over its full range of motion, and the worm drive ensures that the shaft will hold its position even when unpowered. This version has a 12-inch stroke and no potentiometer.

Pololu item #: 2353
Temporarily out of stock. See product page to backorder.
Out of stock.
Quantity:

For alternatives, please consider the Concentric LD series linear actuators.

This 12 V linear actuator has a load rating of 22 lbs (10 kg) and a maximum speed of 1.5 in/s (40 mm/s). Limit switches at each end make the actuator easy to control over its full range of motion, and the worm drive ensures that the shaft will hold its position even when unpowered. This version has a 12-inch stroke and a built-in potentiometer for position feedback.

Pololu item #: 2355
Temporarily out of stock. See product page to backorder.
Out of stock.
Quantity:

For alternatives, please consider the Concentric LD series linear actuators.

This steel bracket can be used to mount the generic linear actuators to a structure. Two brackets are required for mounting each actuator.

Pololu item #: 2392
Temporarily out of stock. See product page to backorder.
Out of stock.
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This controller has been replaced by the RoboClaw 2x15A (V5).

The RoboClaw motor controllers from Ion Motion Control (formerly Orion Robotics) can control a pair of brushed DC motors using USB serial, TTL serial, RC, or analog inputs. Integrated dual quadrature decoders make it easy to create a closed-loop speed control system. This version can supply a continuous 15 A per channel (30 A peak).

Pololu item #: 2393
Temporarily out of stock. See product page to backorder.
Out of stock.
Quantity:

This controller has been replaced by the RoboClaw 2x30A (V5).

The RoboClaw motor controllers from Ion Motion Control (formerly Orion Robotics) can control a pair of brushed DC motors using USB serial, TTL serial, RC, or analog inputs. Integrated dual quadrature decoders make it easy to create a closed-loop speed control system. This version can supply a continuous 30 A per channel (60 A peak).

Pololu item #: 2394
Temporarily out of stock. See product page to backorder.
Out of stock.
Quantity:

This item has been replaced by the RoboClaw 2x7A (V5), which just a slightly more powerful drop-in replacement for the 2x5A.

The RoboClaw motor controllers from Ion Motion Control (formerly Orion Robotics) can control a pair of brushed DC motors using USB serial, TTL serial, RC, or analog inputs. Integrated dual quadrature decoders make it easy to create a closed-loop speed control system. This version can supply a continuous 5 A per channel (10 A peak).

Pololu item #: 2396
Temporarily out of stock. See product page to backorder.
Out of stock.
Quantity:

This controller has been replaced by the RoboClaw 2x30A (V5D).

The RoboClaw motor controllers from Ion Motion Control (formerly Orion Robotics) can control a pair of brushed DC motors using USB serial, TTL serial, RC, or analog inputs. Integrated dual quadrature decoders make it easy to create a closed-loop speed control system. This version can supply a continuous 30 A per channel (60 A peak).

Pololu item #: 2399
Temporarily out of stock. See product page to backorder.
Out of stock.
Quantity:

This item has been replaced by the RoboClaw 2x7A (V5B), which includes a case and has a more powerful BEC regulator.

The RoboClaw motor controllers from Ion Motion Control (formerly Orion Robotics) can control a pair of brushed DC motors using USB serial, TTL serial, RC, or analog inputs. Integrated dual quadrature decoders make it easy to create a closed-loop speed control system. This version can supply a continuous 7.5 A per channel (15 A peak).

Pololu item #: 2401
Temporarily out of stock. See product page to backorder.
Out of stock.
Quantity:

This shirt has been replaced by the 2012 version.

This stylish, medium T-shirt is emblazoned on the front with the Pololu logo—comprised of ones and zeros—and features the phrase “Engage Your Brain” on the back. With this rear adornment, you can proclaim your love of giving physical embodiment to your artificially intelligent creations (while simultaneously reminding those around you of the importance of critical thinking).

Pololu item #: 2402
Temporarily out of stock. See product page to backorder.
Out of stock.
Quantity:

This shirt has been replaced by the 2012 version.

This stylish, large T-shirt is emblazoned on the front with the Pololu logo—comprised of ones and zeros—and features the phrase “Engage Your Brain” on the back. With this rear adornment, you can proclaim your love of giving physical embodiment to your artificially intelligent creations (while simultaneously reminding those around you of the importance of critical thinking).

Pololu item #: 2403
Temporarily out of stock. See product page to backorder.
Out of stock.
Quantity:

This shirt has been replaced by the 2012 version.

This stylish, extra large T-shirt is emblazoned on the front with the Pololu logo—comprised of ones and zeros—and features the phrase “Engage Your Brain” on the back. With this rear adornment, you can proclaim your love of giving physical embodiment to your artificially intelligent creations (while simultaneously reminding those around you of the importance of critical thinking).

Pololu item #: 2404
Temporarily out of stock. See product page to backorder.
Out of stock.
Quantity:

These medium royal blue T-shirts feature the Pololu logo, composed of a white printed circuit board layout, on the front, and the Pololu slogan, “Engage Your Brain”, on the back.

Pololu item #: 2405
Temporarily out of stock. See product page to backorder.
Out of stock.
Quantity:

This T-shirt is no longer available.

These large royal blue T-shirts feature the Pololu logo, composed of a white printed circuit board layout, on the front, and the Pololu slogan, “Engage Your Brain”, on the back.

Pololu item #: 2406
Temporarily out of stock. See product page to backorder.
Out of stock.
Quantity:

These extra large royal blue T-shirts feature the Pololu logo, composed of a white printed circuit board layout, on the front, and the Pololu slogan, “Engage Your Brain”, on the back.

Pololu item #: 2408
Temporarily out of stock. See product page to backorder.
Out of stock.
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