There should be more info on our web site soon; here’s some preliminary information:
The 3pi robot gets its name from its diameter, which measures 3pi centimeters (~3.7"). It is based on our newer Orangutan robot controllers (so it uses an ATmega168 microcontroller with hardware PWMs dedicated to motor control and has an LCD, buzzer, and three user pushbuttons), and the PCB has five integrated QTR-RC reflectance sensors along the front edge. The robot uses two 30:1 micro metal gearmotors is powered by four AAA cells. Its top speed is just over 1 m/s.
Here is a picture of one of our prototype units:
- Ben