New Products

Pololu item #: 2585
Brand: Pololu
Status: Active and Preferred 
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This simple board breaks out the power, USB 2.0 data, configuration, and sideband pins of a USB Type-C connector to a 0.1″ spacing that is compatible with standard perfboards, solderless breadboards, and 0.1″ connectors. On-board CC pull-down resistors make it easy to use the receptacle in a power-sinking application.

Pololu item #: 2890
Brand: Pololu
Status: Active and Preferred 
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This powerful synchronous switching boost regulator efficiently generates a finely adjustable output voltage between 4.5 V to 20 V from an input voltage as low as 2.9 V while using an input current as high as 8 A. This regulator features reverse voltage protection, and unlike most boost regulators, it offers a true shutdown option that turns off power to the load.

Pololu item #: 2891
Brand: Pololu
Status: Active and Preferred 
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This powerful synchronous switching boost regulator efficiently generates an output voltage of 5 V from an input voltage as low as 2.9 V while using an input current as high as 8 A. This regulator features reverse voltage protection, and unlike most boost regulators, it offers a true shutdown option that turns off power to the load.

Pololu item #: 2892
Brand: Pololu
Status: Active and Preferred 
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This powerful synchronous switching boost regulator efficiently generates an output voltage of 6 V from an input voltage as low as 2.9 V while using an input current as high as 8 A. This regulator features reverse voltage protection, and unlike most boost regulators, it offers a true shutdown option that turns off power to the load.

Pololu item #: 2893
Brand: Pololu
Status: Active and Preferred 
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This powerful synchronous switching boost regulator efficiently generates an output voltage of 7.5 V from an input voltage as low as 2.9 V while using an input current as high as 8 A. This regulator features reverse voltage protection, and unlike most boost regulators, it offers a true shutdown option that turns off power to the load.

Pololu item #: 2894
Brand: Pololu
Status: Active and Preferred 
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This powerful synchronous switching boost regulator efficiently generates an output voltage of 9 V from an input voltage as low as 2.9 V while using an input current as high as 8 A. This regulator features reverse voltage protection, and unlike most boost regulators, it offers a true shutdown option that turns off power to the load.

Pololu item #: 2895
Brand: Pololu
Status: Active and Preferred 
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This powerful synchronous switching boost regulator efficiently generates an output voltage of 12 V from an input voltage as low as 2.9 V while using an input current as high as 7 A. This regulator features reverse voltage protection, and unlike most boost regulators, it offers a true shutdown option that turns off power to the load.

Pololu item #: 2896
Brand: Pololu
Status: Active and Preferred 
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This powerful synchronous switching boost regulator efficiently generates an output voltage of 15 V from an input voltage as low as 2.9 V while using an input current as high as 7 A. This regulator features reverse voltage protection, and unlike most boost regulators, it offers a true shutdown option that turns off power to the load.

Pololu item #: 4404
Brand: Pololu
Status: Active and Preferred 
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LED board
4 4 mm 17.0 × 20.0 analog 3.5 mA 9 mA 10 mm

This array of IR LED/phototransistor pairs is great for precisely identifying changes in contrast/reflectance (like line-detection). It operates from 2.9 V to 5.5 V and offers dimmable brightness control independent of the supply voltage. In general, the closer the object, the higher the contrast between light and dark, but high-reflectance objects are generally detectable out to around 50 mm. This version features high-performance, low-current QTRX sensors with lenses.

Pololu item #: 4402
Brand: Pololu
Status: Active and Preferred 
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Temporarily out of stock. See product page to backorder.
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LED board
2 4 mm 10.2 × 20.0 analog 3.5 mA 5 mA 10 mm

This array of IR LED/phototransistor pairs is great for precisely identifying changes in contrast/reflectance (like line-detection). It operates from 2.9 V to 5.5 V and offers dimmable brightness control independent of the supply voltage. In general, the closer the object, the higher the contrast between light and dark, but high-reflectance objects are generally detectable out to around 50 mm. This version features high-performance, low-current QTRX sensors with lenses.

Pololu item #: 4304
Brand: Pololu
Status: Active and Preferred 
Free add-on shipping in USA 
Temporarily out of stock. See product page to backorder.
Out of stock.
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sensors pitch size
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LED board
4 4 mm 17.0 × 20.0 RC (digital) 3.5 mA 9 mA 10 mm

This array of IR LED/phototransistor pairs is great for precisely identifying changes in contrast/reflectance (like line-detection). It operates from 2.9 V to 5.5 V and offers dimmable brightness control independent of the supply voltage. In general, the closer the object, the higher the contrast between light and dark, but high-reflectance objects are generally detectable out to around 50 mm. This version features high-performance, low-current QTRX sensors with lenses.

Pololu item #: 4302
Brand: Pololu
Status: Active and Preferred 
Free add-on shipping in USA 
Temporarily out of stock. See product page to backorder.
Out of stock.
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sensors pitch size
(mm)
output max current optimal
range
LED board
2 4 mm 10.2 × 20.0 RC (digital) 3.5 mA 5 mA 10 mm

This array of IR LED/phototransistor pairs is great for precisely identifying changes in contrast/reflectance (like line-detection). It operates from 2.9 V to 5.5 V and offers dimmable brightness control independent of the supply voltage. In general, the closer the object, the higher the contrast between light and dark, but high-reflectance objects are generally detectable out to around 50 mm. This version features high-performance, low-current QTRX sensors with lenses.

Pololu item #: 4204
Brand: Pololu
Status: Active and Preferred 
Free add-on shipping in USA 
Temporarily out of stock. See product page to backorder.
Out of stock.
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sensors pitch size
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output max current optimal
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LED board
4 4 mm 17.0 × 20.0 analog 30 mA 62 mA 5 mm

This array of IR LED/phototransistor pairs is great for precisely identifying changes in contrast/reflectance (like line-detection). It operates from 2.9 V to 5.5 V and offers dimmable brightness control independent of the supply voltage. In general, the closer the object, the higher the contrast between light and dark, but high-reflectance objects are generally detectable out to around 50 mm. This version features the traditional-style QTR sensors without lenses.

Pololu item #: 4202
Brand: Pololu
Status: Active and Preferred 
Free add-on shipping in USA 
Temporarily out of stock. See product page to backorder.
Out of stock.
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sensors pitch size
(mm)
output max current optimal
range
LED board
2 4 mm 10.2 × 20.0 analog 30 mA 32 mA 5 mm

This array of IR LED/phototransistor pairs is great for precisely identifying changes in contrast/reflectance (like line-detection). It operates from 2.9 V to 5.5 V and offers dimmable brightness control independent of the supply voltage. In general, the closer the object, the higher the contrast between light and dark, but high-reflectance objects are generally detectable out to around 50 mm. This version features the traditional-style QTR sensors without lenses.

Pololu item #: 4104
Brand: Pololu
Status: Active and Preferred 
Free add-on shipping in USA 
Temporarily out of stock. See product page to backorder.
Out of stock.
Quantity:
sensors pitch size
(mm)
output max current optimal
range
LED board
4 4 mm 17.0 × 20.0 RC (digital) 30 mA 62 mA 5 mm

This array of IR LED/phototransistor pairs is great for precisely identifying changes in contrast/reflectance (like line-detection). It operates from 2.9 V to 5.5 V and offers dimmable brightness control independent of the supply voltage. In general, the closer the object, the higher the contrast between light and dark, but high-reflectance objects are generally detectable out to around 50 mm. This version features the traditional-style QTR sensors without lenses.

Pololu item #: 4102
Brand: Pololu
Status: Active and Preferred 
Free add-on shipping in USA 
Temporarily out of stock. See product page to backorder.
Out of stock.
Quantity:
sensors pitch size
(mm)
output max current optimal
range
LED board
2 4 mm 10.2 × 20.0 RC (digital) 30 mA 32 mA 5 mm

This array of IR LED/phototransistor pairs is great for precisely identifying changes in contrast/reflectance (like line-detection). It operates from 2.9 V to 5.5 V and offers dimmable brightness control independent of the supply voltage. In general, the closer the object, the higher the contrast between light and dark, but high-reflectance objects are generally detectable out to around 50 mm. This version features the traditional-style QTR sensors without lenses.

Pololu item #: 3873
Brand: Unspecified
Temporarily out of stock. See product page to backorder.
Out of stock.
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Get a FREE copy of Circuit Cellar magazine’s August issue with your order while supplies last. To get your free issue, enter the coupon code CIRCUIT0818 into your shopping cart. The magazine will add 6 ounces to the package weight when calculating your shipping options.

Pololu item #: 3653
Brand: Concentric
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This 12 V light-duty (LD) linear actuator with a 10:1 gear reduction can lift loads up to 25 kgf [55 lbs or 250 N] and can withstand static loads up to 250 kgf [550 lbs or 2500 N]. It has a maximum speed of 28 mm/s [1.1″/s] at no load and 23 mm/s [0.9″/s] at the maximum load. 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 feedback potentiometer that lets you determine where the actuator is in its stroke.

Pololu item #: 3651
Brand: Concentric
Temporarily out of stock. See product page to backorder.
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This 12 V light-duty (LD) linear actuator with a 10:1 gear reduction can lift loads up to 25 kgf [55 lbs or 250 N] and can withstand static loads up to 250 kgf [550 lbs or 2500 N]. It has a maximum speed of 28 mm/s [1.1″/s] at no load and 23 mm/s [0.9″/s] at the maximum load. 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 10-inch stroke and a feedback potentiometer that lets you determine where the actuator is in its stroke.

Pololu item #: 3649
Brand: Concentric
Temporarily out of stock. See product page to backorder.
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This 12 V light-duty (LD) linear actuator with a 10:1 gear reduction can lift loads up to 25 kgf [55 lbs or 250 N] and can withstand static loads up to 250 kgf [550 lbs or 2500 N]. It has a maximum speed of 28 mm/s [1.1″/s] at no load and 23 mm/s [0.9″/s] at the maximum load. 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 8-inch stroke and a feedback potentiometer that lets you determine where the actuator is in its stroke.

Pololu item #: 3647
Brand: Concentric
Temporarily out of stock. See product page to backorder.
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This 12 V light-duty (LD) linear actuator with a 10:1 gear reduction can lift loads up to 25 kgf [55 lbs or 250 N] and can withstand static loads up to 250 kgf [550 lbs or 2500 N]. It has a maximum speed of 28 mm/s [1.1″/s] at no load and 23 mm/s [0.9″/s] at the maximum load. 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 6-inch stroke and a feedback potentiometer that lets you determine where the actuator is in its stroke.

Pololu item #: 3645
Brand: Concentric
Temporarily out of stock. See product page to backorder.
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This 12 V light-duty (LD) linear actuator with a 10:1 gear reduction can lift loads up to 25 kgf [55 lbs or 250 N] and can withstand static loads up to 250 kgf [550 lbs or 2500 N]. It has a maximum speed of 28 mm/s [1.1″/s] at no load and 23 mm/s [0.9″/s] at the maximum load. 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 feedback potentiometer that lets you determine where the actuator is in its stroke.

Pololu item #: 3643
Brand: Concentric
Temporarily out of stock. See product page to backorder.
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This 12 V light-duty (LD) linear actuator with a 10:1 gear reduction can lift loads up to 25 kgf [55 lbs or 250 N] and can withstand static loads up to 250 kgf [550 lbs or 2500 N]. It has a maximum speed of 28 mm/s [1.1″/s] at no load and 23 mm/s [0.9″/s] at the maximum load. 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 2-inch stroke and a feedback potentiometer that lets you determine where the actuator is in its stroke.

Pololu item #: 4407
Brand: Pololu
Status: Active and Preferred 
Free add-on shipping in USA 
Temporarily out of stock. See product page to backorder.
Out of stock.
Quantity:
sensors pitch size
(mm)
output max current optimal
range
LED board
7 4 mm 29.0 × 20.0 analog 3.5 mA 17 mA 10 mm

This array of IR LED/phototransistor pairs is great for precisely identifying changes in contrast/reflectance (like line-detection). It operates from 2.9 V to 5.5 V and offers dimmable brightness control independent of the supply voltage. In general, the closer the object, the higher the contrast between light and dark, but high-reflectance objects are generally detectable out to around 50 mm. This version features high-performance, low-current QTRX sensors with lenses.

Pololu item #: 4307
Brand: Pololu
Status: Active and Preferred 
Free add-on shipping in USA 
Temporarily out of stock. See product page to backorder.
Out of stock.
Quantity:
sensors pitch size
(mm)
output max current optimal
range
LED board
7 4 mm 29.0 × 20.0 RC (digital) 3.5 mA 17 mA 10 mm

This array of IR LED/phototransistor pairs is great for precisely identifying changes in contrast/reflectance (like line-detection). It operates from 2.9 V to 5.5 V and offers dimmable brightness control independent of the supply voltage. In general, the closer the object, the higher the contrast between light and dark, but high-reflectance objects are generally detectable out to around 50 mm. This version features high-performance, low-current QTRX sensors with lenses.

Pololu item #: 4207
Brand: Pololu
Status: Active and Preferred 
Free add-on shipping in USA 
Temporarily out of stock. See product page to backorder.
Out of stock.
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sensors pitch size
(mm)
output max current optimal
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LED board
7 4 mm 29.0 × 20.0 analog 30 mA 125 mA 5 mm

This array of IR LED/phototransistor pairs is great for precisely identifying changes in contrast/reflectance (like line-detection). It operates from 2.9 V to 5.5 V and offers dimmable brightness control independent of the supply voltage. In general, the closer the object, the higher the contrast between light and dark, but high-reflectance objects are generally detectable out to around 50 mm. This version features the traditional-style QTR sensors without lenses.

Pololu item #: 4107
Brand: Pololu
Status: Active and Preferred 
Free add-on shipping in USA 
Temporarily out of stock. See product page to backorder.
Out of stock.
Quantity:
sensors pitch size
(mm)
output max current optimal
range
LED board
7 4 mm 29.0 × 20.0 RC (digital) 30 mA 125 mA 5 mm

This array of IR LED/phototransistor pairs is great for precisely identifying changes in contrast/reflectance (like line-detection). It operates from 2.9 V to 5.5 V and offers dimmable brightness control independent of the supply voltage. In general, the closer the object, the higher the contrast between light and dark, but high-reflectance objects are generally detectable out to around 50 mm. This version features the traditional-style QTR sensors without lenses.

Pololu item #: 2797
Brand: Raspberry Pi
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The Raspberry Pi is a credit card-sized computer with an ARM processor that can run Linux. This item is the Raspberry Pi 3 Model B+, which has 1 GB of RAM, dual-band WiFi, Bluetooth 4.2, Bluetooth Low Energy (BLE), an Ethernet port, HDMI output, audio output, RCA composite video output (through the 3.5 mm jack), four USB ports, and 0.1″-spaced pins that provide access to general purpose inputs and outputs (GPIO). The Raspberry Pi requires a microSD card with an operating system on it (not included). The Raspberry Pi is very popular, with lots of example projects and information available online.

Pololu item #: 3142
Brand: Pololu
Status: Active and Preferred 
Free shipping in USA 
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This compact motor controller makes closed-loop speed or position (but not both!) control of a brushed DC motor easy, with quick configuration over USB using our free software. It supports five control interfaces: USB, TTL serial, I²C, analog voltage (potentiometer), and hobby radio control (RC). This version offers a 4.5 V to 28 V operating range and can deliver continuous output currents up to 2.6 A (5 A peak) without a heat sink. Male headers and terminal blocks are included but not soldered, allowing for custom installations.

Pololu item #: 3143
Brand: Pololu
Status: Active and Preferred 
Free shipping in USA 
Free add-on shipping in USA 
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This compact motor controller makes closed-loop speed or position (but not both!) control of a brushed DC motor easy, with quick configuration over USB using our free software. It supports five control interfaces: USB, TTL serial, I²C, analog voltage (potentiometer), and hobby radio control (RC). This version offers a 4.5 V to 28 V operating range and can deliver continuous output currents up to 2.6 A (5 A peak) without a heat sink. This version ships with soldered header pins and terminal blocks.

Pololu item #: 2761
Brand: Pololu
Status: Active and Preferred 
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This add-on board enables a Raspberry Pi (Model B+ or newer) to drive a pair of brushed DC motors. Its dual TB9051FTG motor drivers operate from 4.5 V to 28 V and can deliver a continuous 2.6 A (5 A peak) per motor. The default pin mappings make it easy to get started using our provided software, but the board also exposes most of the driver chips’ I/O pins for more specialized applications. This version ships as a partial kit; all surface-mount components are installed, but the included through-hole connectors are not soldered in.

Pololu item #: 2762
Brand: Pololu
Status: Active and Preferred 
Free add-on shipping in USA 
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This add-on board enables a Raspberry Pi B+, Pi A+, Pi 2 or Pi 3 to drive a pair of brushed DC motors. Its dual TB9051FTG motor drivers operate from 4.5 V to 28 V and can deliver a continuous 2.6 A (5 A peak) per motor. The default pin mappings make it easy to get started using our provided software, but the board also exposes most of the driver chips’ I/O pins for more specialized applications. This version ships fully assembled with connectors soldered in.

Pololu item #: 2520
Brand: Pololu
Status: Active and Preferred 
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This shield makes it easy to control two brushed DC motors with your Arduino or Arduino-compatible board. Its dual TB9051FTG motor drivers operate from 4.5 to 28 V and can deliver a continuous 2.6 A per motor (5 A peak). These great drivers also offer current-sense feedback and accept ultrasonic PWM frequencies for quieter operation. A fixed current chopping threshold allows each TB9051 to limit the peak motor current, and they feature built-in protection against under-voltage, over-current, and over-temperature conditions; our shield also adds reverse-voltage protection. The Arduino pin mappings can all be customized if the defaults are not convenient, and the motor driver control lines are broken out along the left side of the shield for general-purpose use without an Arduino.

Pololu item #: 3872
Brand: Unspecified
Temporarily out of stock. See product page to backorder.
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Get a FREE copy of Circuit Cellar magazine’s July issue with your order while supplies last. To get your free issue, enter the coupon code CIRCUIT0718 into your shopping cart. The magazine will add 6 ounces to the package weight when calculating your shipping options.

Pololu item #: 3691
Brand: Pololu
Status: Active and Preferred 
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These versatile white plastic wheels have silicone tires and measure 80 mm (3.15″) in diameter. What makes them special is the included set of interchangeable collets that can be inserted into the wheel to firmly grab four different shaft types: 3mm D, 3mm round, 4mm D, and 4mm round. The collet inserts start with a comfortably loose fit on their intended shafts, and unlike simple press-fit wheels, their grip on the shaft gets progressively tighter as they are compressed into the wheel disc, reducing the chances that the shaft will be able to slip within the wheel. This product is a pair of wheels.

Pololu item #: 3690
Brand: Pololu
Status: Active and Preferred 
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These versatile black plastic wheels have silicone tires and measure 80 mm (3.15″) in diameter. What makes them special is the included set of interchangeable collets that can be inserted into the wheel to firmly grab four different shaft types: 3mm D, 3mm round, 4mm D, and 4mm round. The collet inserts start with a comfortably loose fit on their intended shafts, and unlike simple press-fit wheels, their grip on the shaft gets progressively tighter as they are compressed into the wheel disc, reducing the chances that the shaft will be able to slip within the wheel. This product is a pair of wheels.

Pololu item #: 2700
Brand: Generic
Temporarily out of stock. See product page to backorder.
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This M3, pan-head screw is 7 mm long. It is made from steel, is zinc-plated, and comes in packs of 25.

Pololu item #: 3573
Brand: Pololu
Status: Active and Preferred 
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This kit gives you the structural pieces you need to build your own Balboa chassis with stability conversion. The chassis includes an integrated battery holder that can be configured for 4 or 6 AA cells. Two configurable gearboxes further increase the gear ratio from the required micro metal gearmotors while supporting the weight of the robot with ball bearings rather than the gearmotor shafts themselves. The chassis works with a variety of wheel sizes and micro metal gearmotors, so wheels and motors are not included; choose your own wheels and motors to personalize your robot.

Unlike the Balboa 32U4 Balancing Robot Kit, no electronics are included: this chassis is for those who want to supply their own custom electronics.

Pololu item #: 3572
Brand: Pololu
Status: Active and Preferred 
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With this accessory kit, you can convert your balancing Balboa chassis into a traditional differential-drive platform with a low-friction ball caster providing a stabilizing third point of contact. The included ball caster pieces are held in place by a removable retention clip, and the whole assembly conveniently snaps onto the front/top edge of the Balboa chassis. This kit is also useful in balancing applications, where the ball caster can be left off and the extension piece can be used to make the Balboa taller and give it more mounting points. This parts for this kit are already included in the Balboa Chassis with Stability Conversion Kit.

Pololu item #: 3574
Brand: Pololu
Status: Active and Preferred 
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This accessory kit for the Balboa Chassis can be used for a variety of different applications, from a bumper cage for protecting your electronics to skids on which it can drive around to arms that you can mount sensors on. The parts for this kit are already included with the Balboa 32U4 Balancing Robot Kit.

Pololu item #: 2974
Brand: Pololu
Status: Active and Preferred 
Free add-on shipping in USA 
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This breakout board makes it easy to use Toshiba’s TB67S279FTG microstepping bipolar stepper motor driver, which features adjustable current limiting and seven microstep resolutions (down to 1/32-step). In addition, it dynamically selects an optimal decay mode by monitoring the actual motor current, and it can automatically reduce the driving current below the full amount when the motor is lightly loaded to minimize power and heat. The TB67S279FTG has a wide operating voltage range of 10 V to 47 V and can deliver approximately 1.2 A per phase continuously without a heat sink or forced air flow (up to 2 A peak). It features built-in protection against under-voltage, over-current, and over-temperature conditions; our carrier board also adds reverse-voltage protection (up to 40 V).

Pololu item #: 2973
Brand: Pololu
Status: Active and Preferred 
Free add-on shipping in USA 
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This breakout board makes it easy to use Toshiba’s TB67S249FTG microstepping bipolar stepper motor driver, which features adjustable current limiting and seven microstep resolutions (down to 1/32-step). In addition, it dynamically selects an optimal decay mode by monitoring the actual motor current, and it can automatically reduce the driving current below the full amount when the motor is lightly loaded to minimize power and heat. The TB67S249FTG has a wide operating voltage range of 10 V to 47 V and can deliver approximately 1.7 A per phase continuously without a heat sink or forced air flow (up to 4.5 A peak). It features built-in protection against under-voltage, over-current, and over-temperature conditions; our carrier board also adds reverse-voltage protection (up to 40 V).

Pololu item #: 3283
Brand: Generic
Temporarily out of stock. See product page to backorder.
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This black polyurethane scooter/skate wheel measures 200 mm (7.9″) in diameter and 30 mm (1.2″) in width and works with standard 608 bearings as well as our Aluminum Scooter Wheel Adapters, which allow these wheels to be used with an assortment of motors.

Pololu item #: 3871
Brand: Unspecified
Temporarily out of stock. See product page to backorder.
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Get a FREE copy of Circuit Cellar magazine’s June issue with your order while supplies last. To get your free issue, enter the coupon code CIRCUIT0618 into your shopping cart. The magazine will add 6 ounces to the package weight when calculating your shipping options.

Pololu item #: 2997
Brand: Pololu
Status: Active and Preferred 
Free add-on shipping in USA 
Temporarily out of stock. See product page to backorder.
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This breakout board makes it easy to use Toshiba’s TB9051FTG brushed DC motor driver. It has a wide operating voltage range of 4.5 V to 28 V and can deliver a continuous 2.6 A. A fixed current chopping threshold allows the TB9051 to limit the peak motor current, and it features built-in protection against under-voltage, over-current, and over-temperature conditions; our carrier board also adds reverse-voltage protection.

Pololu item #: 3145
Brand: Pololu
Status: Active and Preferred 
Free add-on shipping in USA 
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The A-Star 32U4 Mini SV is a programmable module based on the ATmega32U4 from Microchip (formerly Atmel). Unlike competing products, it has an on-board switching step-down regulator that allows it to be powered efficiently from a 5 V to 40 V supply. This compact 1.9″ × 0.7″ board breaks out all 26 of the microcontroller’s I/O pins (of which 7 can be used as PWM outputs and 12 as analog inputs), and loading programs is made easier by a Micro-USB interface and a preloaded Arduino-compatible bootloader.

Pololu item #: 3870
Brand: Unspecified
Temporarily out of stock. See product page to backorder.
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Get a FREE copy of Circuit Cellar magazine’s May issue with your order while supplies last. To get your free issue, enter the coupon code CIRCUIT0518 into your shopping cart. The magazine will add 6 ounces to the package weight when calculating your shipping options.

Pololu item #: 2999
Brand: Pololu
Status: Active and Preferred 
Free add-on shipping in USA 
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This breakout board makes it easy to use Toshiba’s TB67H420FTG brushed DC motor driver, which can operate in either dual-channel mode for independent bidirectional control of two motors or single-channel mode for driving one motor with increased current. It has a wide operating voltage range of 10 V to 47 V and can deliver a continuous 1.7 A to each motor channel, or 3.4 A in single-channel mode. A configurable current chopping threshold allows the TB67H420 to actively limit the motor current, and it features built-in protection against under-voltage, over-current, and over-temperature conditions; our carrier board also adds reverse-voltage protection (up to 40 V).

Pololu item #: 3415
Brand: Pololu
Status: Active and Preferred 
Free add-on shipping in USA 
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This sensor is a carrier/breakout board for ST’s VL53L1X laser-ranging sensor, which offers fast and accurate ranging up to 4 m. It uses the time of flight (ToF) of invisible, eye-safe laser pulses to measure absolute distances independent of ambient lighting conditions and target characteristics like color, shape, and texture (though these things will affect the maximum range). The VL53L1X also features a programmable region of interest (ROI), so the full field of view can be reduced or divided into multiple zones. Distance measurements can be read through a digital I²C interface. The board includes a 2.8 V linear regulator and level-shifters that allow it to work over an input voltage range of 2.6 V 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 #: 3149
Brand: Pololu
Status: Active and Preferred 
Free shipping in USA 
Free add-on shipping in USA 
Temporarily out of stock. See product page to backorder.
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This powerful motor controller makes closed-loop speed or position (but not both!) control of a brushed DC motor easy, with quick configuration over USB using our free software. It supports five control interfaces: USB, TTL serial, I²C, analog voltage (potentiometer), and hobby radio control (RC). This version offers a wide 6.5 V to 40 V operating range and can deliver continuous output currents up to 21 A without a heat sink. Male headers and terminal blocks are included but not soldered, allowing for custom installations.

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