采用AT89S52单片机作为小车的检测和控制核心；采用金属感应器TL-Q5MC来检测路上感应到的铁片，从而把反馈到的信号送单片机，使单片机按照预定的工作模式控制小车在各区域按预定的速度行驶，并且单片机选择的工作模式不同也可控制小车顺着S形铁片行驶；采用霍尔元件A44E检测小车行驶速度；采用1602LCD实时显示小车行驶的时间，小车停止行驶后，轮流显示小车行驶时间、行驶距离、平均速度以及各速度区行驶的时间。-Using AT89S52 microcontroller as the core to detect and control the car　metal sensor TL-Q5MC road sensors to detect the iron sheet, thereby sending a signal back to the microcontroller, allows the device to work in accordance with a predetermined pattern control the car in various regions of predetermined the speed, and the selected mode MCU can also control different car traveling along the S-shaped iron sheet　A44E detection using the Hall element trolley traveling speed　the use of real-time display 1602LCD car traveling time, the car stopped running after the car turn display travel time, travel distance, average speed and travel time for each velocity region.