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3pi+ 32U4 Robot Kit with 75:1 LP Motors (Turtle Edition Kit)

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Special Price £90.59 £75.49 Regular Price £161.06

The Pololu 3pi+ 32U4 robot is a complete, high-performance mobile platform based on the Arduino-compatible ATmega32U4 MCU, and this kit contains all the parts you need to build the Turtle Edition version, including a pair of 75:1 LP 6V Micro Metal Gearmotors.

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The many features of the 3pi+ include dual quadrature encoders for closed-loop speed or position control, line sensors, front bump sensors, and a full IMU (3-axis accelerometer, magnetometer, and gyro), all packed into a robot that can fit within the palm of your hand. This product is a kit; assembly (including soldering) is required.

The 3pi+ 32U4 is a versatile, high-performance, user-programmable robot that measures just 9.7 cm (3.8″) in diameter. At its heart is an ATmega32U4 AVR microcontroller from Microchip (formerly Atmel), and like our A-Star 32U4 programmable controllers, the 3pi+ 32U4 features a USB interface and ships preloaded with an Arduino-compatible bootloader, so all you need to program it is a USB A to Micro-B cable (not included). A software add-on is available that makes it easy to program the robot from the Arduino environment, and we have Arduino libraries and example sketches to help get you started. For advanced users who want to customize or enhance their robots with additional peripherals, the robot’s power rails, power system controls, and microcontroller’s I/O lines can be accessed via several 0.1″-pitch expansion ports.

The 3pi+ (or 3π+ features two H-bridge motor drivers and a variety of integrated sensors, including a pair of quadrature encoders for closed-loop motor control, a complete inertial measurement unit (3-axis accelerometer, gyro, and magnetometer), five downward-facing reflectance sensors for line-following or edge-detection, and left and right bump sensors along the front face of the robot. Three on-board pushbuttons offer a convenient interface for user input, and an LCD, buzzer, and indicator LEDs allow the robot to provide feedback.

The robot also features a unique power system that runs the motors at a constant 8 V independent of the battery charge level, so the speed of the motors does not vary with the battery voltage.

The 3pi+ 32U4 robot is available as a kit or fully assembled with three different motor options:

3pi+ 32U4 VersionProductsMicro Metal GearmotorTop SpeedComments
Standard Editionassembled or kit30:1 MP 6V1.5 m/sgood combination of speed and controllability
Turtle Editionassembled or kit75:1 LP 6V0.4 m/slongest battery life, easiest to control, good for swarm robots or introductory robotics courses
Hyper Editionassembled or kit15:1 HPCB 6V~4 m/svery fast and difficult to control, easy to damage; only recommended for advanced users

Size:97L x 96W x 36H mm
Weight:100g ¹
Assembled:No
Version:Turtle Edition (75:1 LP Motors

¹ Of assembled robot without batteries