The Pololu 3pi robot is a small, high-performance, autonomous robot designed to excel in line-following and line-mazesolving competitions. Powered by four AAA batteries (not included) and a unique power system that runs the motors at a regulated

RS-485 transceiver with electrical data isolation Complies with ANSI TIA/EIA RS-485-A and ISO 8482: 1987(E) 500 kbps data rate Slew rate-limited driver outputs Low power operation: 2.5 mA max Suitable for 5 V or 3 V operations (VDD1)