本系统以设计题目的要求为目的，采用80C51单片机为控制核心，利用超声波传感器检测道路上的障碍，控制电动小汽车的自动避障，快慢速行驶，以及自动停车，并可以自动记录时间、里程和速度，自动寻迹和寻光功能。-The system design requirements for the purpose of the topic, using 80C51 microcontroller as the control center, the use of ultrasonic sensors to detect obstacles on the road to control the electric car' s automatic obstacle avoidance, fast-slow driving, and automatic parking, and can automatically record the time, mileage and speed, automatic track finding and searching light function.