Pololu 3pi Robot

Pololu 3pi Robot
Pololu item #: 975 143 in stock

Price break Unit price (US$)
1 99.95
10 89.95
50 79.95

backorders allowed

The Pololu 3pi robot is a complete, high-performance mobile 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.

 Description Specs (10) Pictures (17) Resources (29) FAQs (8) On the blog (12) 


Size: 3.7" diameter

General specifications

Processor: ATmega168/328P
Motor driver: TB6612FNG
Motor channels: 2
User I/O lines: 21
Minimum operating voltage: 3 V2
Maximum operating voltage: 7 V2
Maximum PWM frequency: 80 kHz
Reverse voltage protection?: Y
External programmer required?: Y


Digital I/O lines PD0 and PD1 are available; two more analog inputs and one analog/digital pin can be made available by removing jumpers and disabling special features of the board.
Designed for use with 4 x AAA NiMH or Alkaline cells. A step-up regulator boosts the motor voltage to 9.25 V.

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