Pololu

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US$1.05

Can be used with ABRA's male headers SH series and other Pololu male headers. .100" (2.54mm) spacing. .100" x .100" matrix.

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US$1.19

Can be used with ABRA's male headers SH series and other Pololu male headers. .100" (2.54mm) spacing. .100" x .100" matrix.

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US$2.08

Can be used with ABRA's male headers SH series and other Pololu male headers. .100" (2.54mm) spacing. .100" x .100" matrix.

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US$1.53

Can be used with ABRA's male headers SH series and other Pololu male headers. .100" (2.54mm) spacing. .100" x .100" matrix.

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US$2.51

Can be used with ABRA's male headers SH series and other Pololu male headers. .100" (2.54mm) spacing. .100" x .100" matrix.

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US$1.53

Can be used with ABRA's male headers SH series and other Pololu male headers. .100" (2.54mm) spacing. .100" x .100" matrix.

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US$2.73

These stackable 0.1" (2.54 mm) female headers are just the right height for connecting Arduino shields to Arduinos and other shields. The set includes: Two 1×6 female headers. Two 1×8 female headers. One 1×10 female header. 

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US$1.53

This is an IDC socket 2x3 female header connector with strain relief clip.

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US$139.93
This is an Arduino-controllable tracked robot platform that is less than 10 cm × 10 cm—small enough to qualify for Mini Sumo. It includes two micro metal gearmotors coupled to a pair of silicone tracks, a stainless steel bulldozer-style blade, an array of six infrared reflectance sensors for line following or edge detection, a buzzer for simple sounds and music, a 3-axis accelerometer, magnetometer, and gyro for detecting impacts and tracking orientation. 
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US$2.45

These small single-pole, double-throw (SPDT) slide switches are rated for 300 mA at 50 VDC and make great on/off power switches for low power electronics.

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US$6.94

The Pololu basic relay carrier modules allow simple control of a single-pole, double-throw (SPDT) switch from low-voltage, low-current control signals.

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US$6.94

The Pololu basic relay carrier modules allow simple control of a single-pole, double-throw (SPDT) switch from low-voltage, low-current control signals.

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US$18.15
This is designed for use with the Zumo shield for Arduino.
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US$67.46

This Kit for Arduino contains most of the parts you need to build an Arduino-controlled Zumo robot. It consists of a Zumo Shield for Arduino, v1.2, a Zumo chassis kit, and a Zumo blade. You will also need a pair of micro metal gearmotors, four AA batteries, and an Arduino to complete your Zumo robot (motors, batteries, and Arduino sold separately). This product is a kit; assembly (including soldering) is required.

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US$24.27
This is a standard-sized servo that has been built by SpringRC specifically for continuous rotation, making it an easy way to get your robot moving.
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US$13.93

This is a pair of black silicone tires with plastic tire frames. They fit onto a 3mm D shaft (see related micro motors) and also have mounting holes for mounting hubs as well.

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US$15.33
This is a passive component that exhibits a decrease in resistance when there is an increase in the force applied to the 1.5"×1.5" (38×38 mm) active area, allowing you to create a sensor that is able to detect force or pressure.
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US$17.92

This S7V7F5 switching step-up/step-down regulator efficiently produces 5 V from input voltages between 2.7 and 11.8 V. Its ability to convert both higher and lower input voltages makes it useful for applications where the power supply voltage can vary greatly, as with batteries that start above but discharge below 5 V.

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US$9.73
This is a black narrow expansion plate for the Rover 5 tracked chassis and is made of 1/8" (3mm) acrylic.
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US$16.73
This is a black wide expansion plate for the Rover 5 tracked chassis and is made of 1/8" (3mm) acrylic.
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US$2.51
Size: 25 x 15 x 20mm, Shaft Diameter: 2mm, Free-run speed @ 6V: 11500 rpm, Free-run current @ 6V: 70mA, Stall current @ 6V: 800 mA.
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US$17.77
This is a A4988 stepper motor driver carrier or a breakout board for Allegro’s easy-to-use A4988 microstepping bipolar stepper motor driver.
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US$43.80
This small hybrid bipolar stepping motor has a 1.8° step angle (200 steps/revolution). Each phase draws 600 mA at 3.9 V, allowing for a holding torque of 180 g-cm (2.5 oz-in). The motor has four color-coded wires terminated with bare leads: black and green connect to one coil; red and blue connect to the other. It can be controlled by a pair of suitable H-bridges (one for each coil), but we recommend using a bipolar stepper motor driver.
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US$16.73

This is an adjustable boost regulator that can generate an output voltage as high as 25 V from an input voltage as low as 1.5 V.

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US$12.69

This is a 6mm universal aluminum mounting hub that allows you to mount custom wheels and mechanisms to motor shafts for 6mm diameter.

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US$18.74
These aluminum gearmotor brackets let you securely mount Pololu’s 37D mm metal gearmotors to your project.
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US$20.93
This is a sensor module that has 8 IR LED/phototransistor pairs mounted on a 0.375" pitch, making it a great detector for a line-following robot.
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US$8.82
The height of the assembled kit ranges from 1.1" to 1.4". Dowel pins are used to minimize the friction between the ball and the ABS housing.
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US$27.93
This is a Zumo chassis unit kit that is a small tracked robot platform with a width of less than 10cm from side to side, allowing it to qualify for Mini Sumo competitions.
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US$17.55
This is a tiny breakout board for TI’s DRV8833 dual motor driver can deliver 1.2 A per channel continuously (2 A peak) to a pair of DC motors.
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US$4.13
This is a 0.036″-thick stainless steel plate that can be mounted to the front of the Zumo chassis to create a slanted, bulldozer-like blade for pushing around objects, such as other mini-sumo robots.
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US$29.90
This is a proximity sensor that can detect any object between  0.5 to 5 cm (0.2" and 2") away.
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US$4.89

This tiny carrier board makes it easy to integrate the Sharp GP2Y0D810Z0F and GP2Y0D805Z0F digital distance sensors into your project.

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US$19.80
This is a proximity sensor GP2Y0D810Z0F that can detect any object between  2 to 10 cm (0.8" and 4") away.
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US$62.94

A discrete MOSFET H-bridge motor driver enables bidirectional control of one high-power DC brushed motor. The little 1.8×0.8-inch board supports a wide 5.5 to 30 V voltage range and is efficient enough to deliver a continuous 25 A without a heat sink.

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US$39.13
This is a compact infared beacon board that is used in pairs to allow robots to locate each other. Each board has infrared emitters that shine in all directions and four IR receivers for detecting the other beacon. The IR beacons have a range of about fifteen feet indoors.
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US$6.99
This is a black pair of micro metal gearmotor bracket, which enables convenient mounting of popular Sanyo-style miniature metal gearmotors.
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US$25.13
This metal gearmotor is a compact (1.16" x 0.61" x 0.61") brushed DC motor with an enclosed 115:1 metal gearbox. These units have a 0.365"-long, 3mm-diameter D-shaped output shaft.
Delivery within 2-3 weeks
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US$74.92
This discrete MOSFET H-bridge motor driver enables bidirectional control of one high-power DC brushed motor. The little 1.3×0.8-inch board supports a wide 5.5 to 30 V voltage range and is efficient enough to deliver a continuous 15 A without a heat sink.
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US$6.99

This is a white pair of micro metal gearmotor bracket extended, which enables convenient mounting of popular Sanyo-style miniature metal gearmotors.

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US$25.13

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.

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US$9.73

It is a patented design initially created for the POLOLU Orangutan Robot Controllers as an alternative to bulky mechanical switches.

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US$3.59
This ball caster kit includes a black ABS housing, a 3/8" diameter plastic ball, two spacers (1/16" and 1/8" thick), and two #2 screw sets.
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US$3.53
This ball caster kit includes a black ABS housing, a 3/8" diameter metal ball, two spacers (1/16" and 1/8" thick), and two #2 screw sets. The total height of the ball caster, 0.4", can be increased to about 0.6" using the included spacers.
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US$34.93
The motor supply voltage range is 4.5 to 13.5 V; the continuous current per channel is up to 1 A (3 A peak). The logic supply can be as low as 2.7 V, allowing operation with modern microcontrollers running at 3.3 V.
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US$20.93
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. 
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US$49.82
The six-channel Micro Maestro raises the performance bar for serial servo controllers with features such as a native USB interface and internal scripting control.
Delivery within 2-3 weeks
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US$66.32
This breakout board for Freescale’s MC33926 full H-bridge has an operating range of 5 – 28 V and can deliver almost 3 A continuously (5 A peak) to a DC motor.
Delivery within 2-3 weeks
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US$27.93
This device is a programmer for AVR-based controllers, such as the Pololu 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.
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US$27.93
This is a general-purpose programmable module featuring a 2.4 GHz radio and USB.
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US$55.93

This set is intended for those looking to create a differential-drive robot with dual quadrature encoders. The encoder will work with any micro metal gears from Pololu ranging 5:1 to 298:1. Note: Micro metal gears are not included in this set.

Delivery within 2-3 weeks
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US$13.18

These universal aluminum mounting hub allows you to mount custom wheels and mechanisms to 5 mm motor shafts.

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US$5.59
This is a 8 x 3.4mm vibration motor perfect for non-audible indicators. It is fully-enclosed with no exposed moving parts.
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US$1.72

This is a 12-inch (30-cm) cable that has three 26 AWG wires attach to a 3-pin female JST PH-style connector.

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US$2.18
These cable will mate with the connector on 3-pin Sharp analog distance sensors, such as the GP2D120XJ00F (4-30 cm), GP2Y0A21YK0F (10-80 cm), and the GP2Y0A02YK0F (20-150 cm).
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US$7.14
This is a 24-inch(60-cm) twisted cable that can be used to extend the leads of many common RC hobby servos.
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US$11.59
This is a pair of custom designed white plastic wheel frame inside the rubber tire. This rugged wheel is designed to fit securely on output shafts of micro and 15.5D metal gear motors.
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US$9.77
This wheel is designed to fit on output shafts of the micro and mini metal gearmotors, as well of those in the Solarbotics metal gear motors.
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US$6.80

This is a 12 inch Y splitter cable used to split a single RC hobby servo signal into two identical outputs.

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US$13.93
This is a proximity sensor that can detect any object between  2 to 10 cm (0.8" and 4") away.
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US$32.13

This is a general-purpose programmable module featuring a 2.4 GHz radio and USB. You can write your own software or load precompiled, open-source apps onto the TI CC2511F32 microcontroller at the heart of the Wixel, turning it into a wireless serial link, data logger, or whatever you need for your current project.

Delivery within 2-3 weeks
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US$18.13

This is a shield that 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.

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US$23.94
This is a kit that gives you everything you need to add a second level to your 3pi robot.
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US$7.69
Offset 3mm D shaft, Typical operating voltage: 4.5V, Gear ratio: 180:1, Free-run speed/current @ 4.5V: 80 rpm/80 mA, Stall current/torque @ 4.5V: 800 mA/30 oz·in.
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US$7.69
90° 3mm D shaft, Typical operating voltage: 4.5V, Gear ratio: 120:1, Free-run speed/current @ 4.5V: 80 rpm/80 mA, Stall current/torque @ 4.5V: 800 mA/30 oz·in.
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US$7.69
Typical operating voltage: 4.5V, Gear ratio: 120:1, Free-run speed/current @ 4.5V: 80 rpm/80 mA, Stall current/torque @ 4.5V: 800 mA/30 oz·in.
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US$8.05
90° output shaft, Typical operating voltage: 6V, Gear ratio: 120:1, Free-run speed/current @ 6V: 85 rpm/70 mA, Stall current/torque @ 6V: 800 mA/65 oz·in.
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US$8.05
90° output shaft, Typical operating voltage: 6V, Gear ratio: 120:1, Free-run speed/current @ 6V: 85 rpm/70 mA, Stall current/torque @ 6V: 800 mA/75 oz·in.
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US$139.93

The 3pi robot is a high performance platform featuring two micro metal gearmotors, five reflectance sensors, an 8×2 character LCD, a buzzer, and three user pushbuttons, all connected to a C-programmable ATmega328 microcontroller. Capable of speeds exceeding 3 feet per second, 3pi is a great first robot for ambitious beginners and a perfect second robot for those looking to move up from non-programmable or slower beginner robots.

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