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Pololu item #: 2558
Price: $2.95
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These multi-color LEDs contain red, green, and blue (RGB) elements that can be mixed to produce different colors. The three color elements share a common anode and are encased in a diffused white lens that blends the colors and widens the viewing angle. This product is a pack of five (5) RGB LEDs.

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Pololu item #: 2586
Price: $1.49
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This simple board breaks out all five pins of a USB Micro-B connector to a 0.1″ pin spacing that is compatible with standard perfboards, solderless breadboards, and 0.1″ connectors.

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Pololu item #: 2794
Price: $75.67
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The Hakko FA-400 is a benchtop smoke absorber for removing smoke generated by soldering. It has an easily-replaceable activated-carbon filter and a sturdy ESD-safe housing that can be oriented horizontally or vertically.

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Pololu item #: 3056
Price: $18.95
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This gearmotor is a miniature high-power, 12 V brushed DC motor with long-life carbon brushes and a 297.92:1 metal gearbox. It has a cross section of 10 × 12 mm, and the D-shaped gearbox output shaft is 9 mm long and 3 mm in diameter. This version also has a 4.5 × 1 mm extended motor shaft.

Key specs at 12 V: 100 RPM and 100 mA with no load, 70 oz-in (5 kg-cm) and 0.8 A at stall.

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Pololu item #: 3052
Price: $18.95
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This gearmotor is a miniature high-power, 12 V brushed DC motor with long-life carbon brushes and a 100.37:1 metal gearbox. It has a cross section of 10 × 12 mm, and the D-shaped gearbox output shaft is 9 mm long and 3 mm in diameter. This version also has a 4.5 × 1 mm extended motor shaft.

Key specs at 12 V: 320 RPM and 100 mA with no load, 30 oz-in (2.2 kg-cm) and 0.8 A at stall.

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Pololu item #: 3049
Price: $18.95
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This gearmotor is a miniature high-power, 12 V brushed DC motor with long-life carbon brushes and a 29.86:1 metal gearbox. It has a cross section of 10 × 12 mm, and the D-shaped gearbox output shaft is 9 mm long and 3 mm in diameter. This version also has a 4.5 × 1 mm extended motor shaft.

Key specs at 12 V: 1000 RPM and 100 mA with no load, 9 oz-in (0.6 kg-cm) and 0.8 A at stall.

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Pololu item #: 3042
Price: $17.95
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This gearmotor is a miniature high-power, 12 V brushed DC motor with long-life carbon brushes and a 150.58:1 metal gearbox. It has a cross section of 10 × 12 mm, and the D-shaped gearbox output shaft is 9 mm long and 3 mm in diameter.

Key specs at 12 V: 200 RPM and 100 mA with no load, 40 oz-in (2.9 kg-cm) and 0.8 A at stall.

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Pololu item #: 3040
Price: $17.95
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This gearmotor is a miniature high-power, 12 V brushed DC motor with long-life carbon brushes and a 75.81:1 metal gearbox. It has a cross section of 10 × 12 mm, and the D-shaped gearbox output shaft is 9 mm long and 3 mm in diameter.

Key specs at 12 V: 400 RPM and 100 mA with no load, 22 oz-in (1.6 kg-cm) and 0.8 A at stall.

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Pololu item #: 3037
Price: $17.95
Quantity:

This gearmotor is a miniature high-power, 12 V brushed DC motor with long-life carbon brushes and a 9.96:1 metal gearbox. It has a cross section of 10 × 12 mm, and the D-shaped gearbox output shaft is 9 mm long and 3 mm in diameter.

Key specs at 12 V: 3000 RPM and 100 mA with no load, 4 oz-in (0.3 kg-cm) and 0.8 A at stall.

Pololu item #: 2734
Price: $649.95
Quantity:

Build your own advanced humanoid robot with the Bolide Y-01 DIY kit from XYZrobot. Its 18 smart servos allow it to perform a wide range of complex movements, including dancing, walking, and the ability to get up off the ground, and it is preprogrammed to perform such movements in response to commands from the included Bluetooth controller or a smartphone or tablet running the XYZrobot app. The Bolide also features an Arduino-compatible microcontroller and sensors, so you can program it to perform new and interactive or autonomous behaviors.

Pololu item #: 2759
Price: $39.95
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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, WiFi, Bluetooth 4.1, 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 #: 3060
Price: $17.95
Quantity:

This gearmotor is a miniature high-power, 6 V brushed DC motor with long-life carbon brushes and a 4.995:1 metal gearbox. It has a cross section of 10 × 12 mm, and the D-shaped gearbox output shaft is 9 mm long and 3 mm in diameter.

Key specs at 6 V: 6000 RPM and 120 mA with no load, 2 oz-in (0.1 kg-cm) and 1.6 A at stall.

Pololu item #: 2384
Price: $16.95
Quantity:

This gearmotor is a miniature medium-power, 6 V brushed DC motor with a 248.98:1 metal gearbox. It has a cross section of 10 × 12 mm, and the D-shaped gearbox output shaft is 9 mm long and 3 mm in diameter. This version also has a 4.5 × 1 mm extended motor shaft.

Key specs at 6 V: 90 RPM and 40 mA with no load, 41 oz-in (3.0 kg-cm) and 0.7 A at stall.

Pololu item #: 2383
Price: $16.95
Quantity:

This gearmotor is a miniature medium-power, 6 V brushed DC motor with a 210.59:1 metal gearbox. It has a cross section of 10 × 12 mm, and the D-shaped gearbox output shaft is 9 mm long and 3 mm in diameter. This version also has a 4.5 × 1 mm extended motor shaft.

Key specs at 6 V: 100 RPM and 40 mA with no load, 36 oz-in (2.6 kg-cm) and 0.7 A at stall.

Pololu item #: 2376
Price: $16.95
Quantity:

This gearmotor is a miniature medium-power, 6 V brushed DC motor with a 4.995:1 metal gearbox. It has a cross section of 10 × 12 mm, and the D-shaped gearbox output shaft is 9 mm long and 3 mm in diameter. This version also has a 4.5 × 1 mm extended motor shaft.

Key specs at 6 V: 4400 RPM and 40 mA with no load, 1.5 oz-in (0.1 kg-cm) and 0.7 A at stall.

Pololu item #: 2209
Price: $16.95
Quantity:

This gearmotor is a miniature low-power, 6 V brushed DC motor with a 75.81:1 metal gearbox. It has a cross section of 10 × 12 mm, and the D-shaped gearbox output shaft is 9 mm long and 3 mm in diameter. This version also has a 4.5 × 1 mm extended motor shaft.

Key specs at 6 V: 170 RPM and 40 mA with no load, 9 oz-in (0.6 kg-cm) and 0.36 A at stall.

Pololu item #: 2514
Price: $49.95
Quantity:

This combination deal contains the basic parts you need to go wireless with your Arduino. It consists of one Wixel shield for Arduino, two Wixel modules and one 6’ USB A to mini-B cable for connecting the Wixels to a computer.

Pololu item #: 2513
Price: $12.95
Quantity:

Unleash your Arduino! This shield allows you to interface Wixel wireless modules to your Arduino (and other compatible products), enabling simple wireless programming, debugging, and control using standard Arduino software. Wixel developers can also use this item as a Wixel prototyping board.

Pololu item #: 2744
Price: $49.95
Quantity:

Make some noise with your next project! The MP3 Trigger board is built to make MP3 sound integration easy. The board has 18 external trigger pins that will directly trigger pre-selected MP3 tracks, and a full-duplex serial control port that provides remote triggering for up to 256 tracks and fast, real-time volume control. MP3s are played from a FAT16 formatted SDSC or FAT32 formatted SDHC micro-SD flash memory cards (required but not included). In addition, it achieves 192 Kbps stereo playback from a wide range of cards.

Pololu item #: 2971
Price: $6.95
Quantity:

This breakout board for TI’s DRV8880 microstepping bipolar stepper motor driver features adjustable current limiting, overcurrent and overtemperature protection, and six microstep resolutions (down to 1/16-step). In addition, the driver’s current limit can be dynamically reduced to save power, and it has an autotune feature that automatically selects the decay mode that results in the smoothest current waveform. The carrier has a pinout and interface that are nearly identical to those of our A4988 carriers, so it can be used as a drop-in replacement for those boards in many applications. The DRV8880 operates from 6.5 V to 45 V and can deliver up to approximately 1 A per phase continuously without a heat sink or forced air flow (up to 1.6 A peak). This board ships with 0.1″ male header pins included but not soldered in.

Pololu item #: 2534
Price: $99.95
Quantity:

This flexible LED panel contains 256 RGB LEDs arranged in an 8×32 grid. The LEDs can be individually addressed using an easy-to-control SPI interface, allowing you full control over the color of each RGB LED. The panel runs on 5 V and can be chained with additional APA102C LEDs.

Pololu item #: 2533
Price: $99.95
Quantity:

This flexible LED panel contains 256 RGB LEDs arranged in a 16×16 grid. The LEDs can be individually addressed using an easy-to-control SPI interface, allowing you full control over the color of each RGB LED. The panel runs on 5 V and can be chained with additional APA102C LEDs.

Pololu item #: 2532
Price: $49.95
Quantity:

This flexible LED panel contains 64 RGB LEDs arranged in an 8×8 grid. The LEDs can be individually addressed using an easy-to-control SPI interface, allowing you full control over the color of each RGB LED. The panel runs on 5 V and can be chained with additional APA102C LEDs.

Pololu item #: 2359
Price: $11.95
Quantity:

This tiny, cylindrical gearmotor consists of a coreless brushed DC motor and a 700:1 plastic planetary gearbox. The entire assembly has a diameter of just 6 mm (0.24″) and an extremely light weight of 1.3 g (0.046 oz), making it a great actuator for miniature robots and very small mechanisms.

Key specs at 6 V: 90 RPM and 45 mA free-run, 12 oz-in (0.9 kg-cm) and 400 mA stall.

Pololu item #: 3082
Price: $18.95
Quantity:

This gearmotor is a miniature high-power, 6 V brushed DC motor with long-life carbon brushes and a 4.995:1 metal gearbox. It has a cross section of 10 × 12 mm, and the D-shaped gearbox output shaft is 9 mm long and 3 mm in diameter. This version also has a 4.5 × 1 mm extended motor shaft.

Key specs at 6 V: 6000 RPM and 120 mA with no load, 2 oz-in (0.1 kg-cm) and 1.6 A at stall.

Pololu item #: 3170
Price: $11.95
Quantity:

This in-system programmer can be used to program AVR microcontrollers and AVR-based controller boards, such as our Orangutan robot controllers and the 3pi robot. The programmer emulates an STK500 on a virtual serial port, making it compatible with standard AVR programming software, and it supports devices running at either 3.3 V or 5 V. The programmer also features a TTL-level serial port, enabling general-purpose serial communication for debugging or programming microcontrollers with a serial bootloader. An ISP cable and a 1×6 double-sided male header are included with the fully-assembled programmer.

Pololu item #: 2994
Price: $39.95
Quantity:

This discrete MOSFET H-bridge motor driver enables bidirectional control of one high-power DC brushed motor. The small 1.3″ × 0.8″ board supports a wide 6.5 V to 30 V voltage range and is efficient enough to deliver a continuous 25 A without a heat sink. Additional features of this second-generation (G2) driver include reverse-voltage protection along with basic current sensing and current limiting functionality.

Pololu item #: 2995
Price: $39.95
Quantity:

This discrete MOSFET H-bridge motor driver enables bidirectional control of one high-power DC brushed motor. The small 1.3″ × 0.8″ board supports a wide 6.5 V to 40 V voltage range and is efficient enough to deliver a continuous 21 A without a heat sink. Additional features of this second-generation (G2) driver include reverse-voltage protection along with basic current sensing and current limiting functionality.

Pololu item #: 2385
Price: $16.95
Quantity:

This gearmotor is a miniature medium-power, 6 V brushed DC motor with a 297.92:1 metal gearbox. It has a cross section of 10 × 12 mm, and the D-shaped gearbox output shaft is 9 mm long and 3 mm in diameter. This version also has a 4.5 × 1 mm extended motor shaft.

Key specs at 6 V: 75 RPM and 40 mA with no load, 46 oz-in (3.3 kg-cm) and 0.7 A at stall.

Pololu item #: 1953
Price: $1.59
Quantity:

These hexagonal male-female aluminum standoffs are intended specifically for use with the Raspberry Pi. They keep parts spaced 18.6 mm apart, which is just the right height for mounting expansion boards with extra-tall female headers, and they have M2.5 threads that are just the right size for the Raspberry Pi’s mounting holes. These standoffs are sold in packs of 4.

Pololu item #: 1952
Price: $1.39
Quantity:

These hexagonal male-female aluminum standoffs are intended specifically for use with the Raspberry Pi. They keep parts spaced 11 mm apart, which is just the right height for mounting expansion boards with standard-size female headers, and they have M2.5 threads that are just the right size for the Raspberry Pi’s mounting holes. These standoffs are sold in packs of 4.

Pololu item #: 1968
Price: $0.99
Quantity:

This M2.5, pan-head screw is 6 mm long. It is made from steel, is zinc-plated, and comes in packs of 25.

Pololu item #: 1967
Price: $0.99
Quantity:

This M2.5 hex nut is made from steel, is zinc-plated, and comes in packs of 25.

Pololu item #: 3119
Price: $39.95
Quantity:

This programmable module combines with a Raspberry Pi to serve as the control center of a small robot or electronics project. Its Atmel ATmega32U4 microcontroller comes preloaded with an Arduino-compatible bootloader, and the board includes dual motor drivers that can deliver 1.7 A per channel to two brushed DC motors. An efficient voltage regulator (5.5 V to 36 V input) and level shifters enable it to power and communicate with a Raspberry Pi. This version (item #3119) is assembled with selected through-hole connectors and components installed for use as a Raspberry Pi add-on.

Pololu item #: 3118
Price: $31.95
Quantity:

This programmable module is designed to be the core of a small robot, either as an auxiliary controller atop a Raspberry Pi base or as a complete control solution on its own. Its Atmel ATmega32U4 microcontroller comes preloaded with an Arduino-compatible bootloader. On-board hardware includes dual motor drivers that can deliver 1.7 A per channel and an efficient voltage regulator that allows the controller to work with a 5.5 V to 36 V input voltage, along with level shifters that enable it to interface with a Raspberry Pi. This version (item #3118) does not include any through-hole components or connectors, allowing for customized assembly or standalone use.

Pololu item #: 2739
Price: $22.95
Quantity:

The Pololu AltIMU-10 v5 is an inertial measurement unit (IMU) and altimeter that features the same LSM6DS33 gyro and accelerometer and LIS3MDL magnetometer as the MinIMU-9 v5, and adds an LPS25H 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 #: 2738
Price: $15.95
Quantity:

The Pololu MinIMU-9 v5 is an inertial measurement unit (IMU) that packs an LSM6DS33 3-axis gyro and 3-axis accelerometer and an LIS3MDL 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 MinIMU-9 v5 board includes a voltage regulator and a level-shifting circuit that allow operation from 2.5 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 #: 3268
Price: $34.95
Quantity:

This gearmotor consists of a low-power, 12 V brushed DC motor combined with a 171.79:1 metal spur gearbox, and it has an integrated 48 CPR quadrature encoder on the motor shaft, which provides 8245.92 counts per revolution of the gearbox’s output shaft. The gearmotor is cylindrical, with a diameter just under 25 mm, and the D-shaped output shaft is 4 mm in diameter and extends 12.5 mm from the face plate of the gearbox.

Key specs at 12 V: 31 RPM and 100 mA free-run, 180 oz-in (13 kg-cm) and 1.1 A stall.

Pololu item #: 3265
Price: $34.95
Quantity:

This gearmotor consists of a low-power, 12 V brushed DC motor combined with a 46.85:1 metal spur gearbox, and it has an integrated 48 CPR quadrature encoder on the motor shaft, which provides 2248.86 counts per revolution of the gearbox’s output shaft. The gearmotor is cylindrical, with a diameter just under 25 mm, and the D-shaped output shaft is 4 mm in diameter and extends 12.5 mm from the face plate of the gearbox.

Key specs at 12 V: 110 RPM and 100 mA free-run, 60 oz-in (4.3 kg-cm) and 1.1 A stall.

Pololu item #: 3260
Price: $21.95
Quantity:

This is the motor and encoder portion of our low-power (LP), 12V 25D mm metal gearmotors with 48 CPR encoders. It does not include a gearbox, but the pinion gear on the output shaft works with all of our 25D mm gearmotor gearboxes, so this can be used as a replacement motor or encoder for those gearboxes.

Key specs at 12 V: 5600 RPM and 20 mA free-run, 2 oz-in (0.15 kg-cm) and 1.1 A stall.

Pololu item #: 3243
Price: $34.95
Quantity:

This gearmotor consists of a medium-power, 12 V brushed DC motor combined with a 98.78:1 metal spur gearbox, and it has an integrated 48 CPR quadrature encoder on the motor shaft, which provides 4741.44 counts per revolution of the gearbox’s output shaft. The gearmotor is cylindrical, with a diameter just under 25 mm, and the D-shaped output shaft is 4 mm in diameter and extends 12.5 mm from the face plate of the gearbox.

Key specs at 12 V: 76 RPM and 200 mA free-run, 165 oz-in (12 kg-cm) and 2.1 A stall.

Pololu item #: 3240
Price: $34.95
Quantity:

This gearmotor consists of a medium-power, 12 V brushed DC motor combined with a 34.014:1 metal spur gearbox, and it has an integrated 48 CPR quadrature encoder on the motor shaft, which provides 1632.67 counts per revolution of the gearbox’s output shaft. The gearmotor is cylindrical, with a diameter just under 25 mm, and the D-shaped output shaft is 4 mm in diameter and extends 12.5 mm from the face plate of the gearbox.

Key specs at 12 V: 220 RPM and 200 mA free-run, 63 oz-in (4.5 kg-cm) and 2.1 A stall.

Pololu item #: 3236
Price: $21.95
Quantity:

This is the motor and encoder portion of our medium-power (HP), 12V 25D mm metal gearmotors with 48 CPR encoders. It does not include a gearbox, but the pinion gear on the output shaft works with all of our 25D mm gearmotor gearboxes, so this can be used as a replacement motor or encoder for those gearboxes.

Key specs at 12 V: 7800 RPM and 50 mA free-run, 2.7 oz-in (0.2 kg-cm) and 2.1 A stall.

Pololu item #: 3218
Price: $36.95
Quantity:

This gearmotor consists of a high-power, 12 V brushed DC motor combined with a 74.83:1 metal spur gearbox, and it has an integrated 48 CPR quadrature encoder on the motor shaft, which provides 3591.84 counts per revolution of the gearbox’s output shaft. The gearmotor is cylindrical, with a diameter just under 25 mm, and the D-shaped output shaft is 4 mm in diameter and extends 12.5 mm from the face plate of the gearbox.

Key specs at 12 V: 130 RPM and 300 mA free-run, 240 oz-in (17 kg-cm) and 5.6 A stall.

Pololu item #: 3215
Price: $36.95
Quantity:

This gearmotor consists of a high-power, 12 V brushed DC motor combined with a 20.4:1 metal spur gearbox, and it has an integrated 48 CPR quadrature encoder on the motor shaft, which provides 979.62 counts per revolution of the gearbox’s output shaft. The gearmotor is cylindrical, with a diameter just under 25 mm, and the D-shaped output shaft is 4 mm in diameter and extends 12.5 mm from the face plate of the gearbox.

Key specs at 12 V: 500 RPM and 300 mA free-run, 85 oz-in (6 kg-cm) and 5.6 A stall.

Pololu item #: 3212
Price: $23.95
Quantity:

This is the motor and encoder portion of our high-power (HP), 12V 25D mm metal gearmotors with 48 CPR encoders. It does not include a gearbox, but the pinion gear on the output shaft works with all of our 25D mm gearmotor gearboxes, so this can be used as a replacement motor or encoder for those gearboxes.

Key specs at 12 V: 10,200 RPM and 150 mA free-run, 5.5 oz-in (0.4 kg-cm) and 5.6 A stall.

Pololu item #: 2737
Price: $4.95
Quantity:

This module is a carrier/breakout board for the ST LIS3MDL three-axis magnetometer. The sensor provides magnetic field strength measurements with a configurable range of ±4 gauss to ±16 gauss that can be read through a digital I²C or SPI interface. The board includes a 3.3 V voltage regulator and integrated level shifters that allow operation from 2.5 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 #: 2736
Price: $11.95
Quantity:

The LSM6DS33 combines a digital 3-axis accelerometer and 3-axis gyroscope into a single package. The sensor provides six independent acceleration and rotation rate readings whose sensitivities can be set in the ranges of ±2 g to ±16 g and ±125°/s to ±2000°/s, available through I²C and SPI interfaces. This LSM6DS33 carrier board includes a 3.3 V voltage regulator and integrated level shifters that allow operation from 2.5 to 5.5 V, and the 0.1″ pin spacing makes it easy to use with standard solderless breadboards and 0.1″ perfboards.

This product is only available with a coupon. Please see the description below for details.

Get a FREE copy of Circuit Cellar magazine’s December issue with your order while supplies last. To get your free issue, enter the coupon code CIRCUIT1215 into your shopping cart. The magazine will add 6 ounces to the package weight when calculating your shipping options.

Pololu item #: 2757
Price: $39.95
Out of stock.

The Raspberry Pi is a credit card-sized computer with an ARM processor that can run Linux. This item is the Raspberry Pi 2 Model B, which has 1 GB of RAM, 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.

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