使用51单片机，通过多个个ST188传感器来实现小车的循迹运动，包括直行，转弯，绕圈，上下坡的控制，小车采用步进电机，并辅助以1602及数码管的显示，使用干簧管检测模块可以对磁铁障碍物进行检测，发上来大家共同学习，附原理图-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