Introduction - If you have any usage issues, please Google them yourself
Use 51 single chip microcomputer, by each ST188 sensors in order to realize the tracking of the car movement, including straight, turn, circle, on the downhill, the control of the car using stepper motor, and auxiliary by 1602 and the digital tube display, using a dry reed pipe detection module can to test the magnet obstacles, send up a common learning, schematic diagram in