Rover Version 2
assembly guide and teardown of a $20 RC toy car
Rover Version 1
Very basic version
including functions == ultrasonic-sensor-dat, interactive-dat - infrared-dat - line-finder-dat - MCU-dat - chassis-dat - cad-dat - wheels-dat - PCB-accesories-dat
plastic chassis 4WD
basic demo code 1 here == RC-code-dat