The Pololu USB to serial adapter is great for connecting microcontroller designs to a personal computer. The adapter uses 3.3 V signal levels so you can connect it directly to any microcontroller running at up to 5 V without the hassle of an RS-232 to TTL level converter.

This acrylic expansion plate lets you mount a variety of components to your Rover 5 tracked chassis. The 3 mm wide slots covering the plate support many configurations of sensors and other robot components.

Kit Chassis Romi from Polulu. Ideal for those who want to develop a remote controlled robot car, line follower, fire engine, etc.

Kit Chassis Romi from Polulu. Ideal for those who want to develop a remote controlled robot car, line follower, fire engine, etc.

The Chassis for Robot from 5" RRC04A is a Chassis from Acrylic of 1/8" that provides a base for our 42x19mm gear motors, brackets and wheels. The Chassis of the Robot has many mounting holes that allow you to mount a variety of components on it. With a diameter of just five inches, this Chassis made of Acrylic is great for building robots capable of navigating tight spaces.

This Replacement Ball 3pi Robot with 1/2″ Plastic Ball can be used as a 3pi Robot Spare Part or as a General Purpose Ball. When mounted through a Hole in a Chassis using our 32 × 7mm Metal Gearmotors and Wheels, as in the 3pi, this Ball is the Right Height to keep the Chassis Level.

This black polyurethane wheel measures 84mm in diameter and 24mm in width and works with 608 rpm bearings.

Pololu Wheel 80×10mm Pair - Black

Pololu Wheel 60×8mm Pair - White

Pololu Wheel 42×19mm Pair

This compact carrier board makes it easy to integrate a Sharp GP2Y0A60SZLF analog distance sensor (not included) into your project by providing all of the required external components and a 0.1?-pitch, four-pin interface to the sensor. This version of the carrier board is configured for 3V mode.

Pololu Carrier for MQ

Pololu Aluminum Scooter Wheel Adapter for 4mm Shaft

Expansion Kit for 3pi Robot.

Encoder for Pololu Wheel 42x19mm

This compact expansion board plugs directly into the GPIO header on a Raspberry Pi B+, A+, or Pi 2 and provides an easy and low-cost solution for driving a pair of small brushed DC motors. Its integrated DRV8835 dual motor driver allows it to operate from 1.5 V to 11 V, making it a great control option for low-voltage motors.

Bracket Pair for Sharp GP2Y0A02, GP2Y0A21.