This design is supplied by two sets of independent power supply module,using infrared sensors of the E18-D80NK and black and white lines sensors of the TCRT5000 to collect traffic information.With the purpose of the path recognition,the microcomputer chip of the STC89C52 which is the core controller controlled the step motor driver module.The states of the car are displayed by the LCD1602 LCD module.Intelligent control of the step motor by the microcomputer achieved independent follow line and counterguard function of the car.%本设计由两套独立的电源模块供电,利用E18-D80NK红外避障传感器和TCRT5000黑白线传感器采集路况信息,以宏晶科技的8位单片机STC89C52为核心控制器,控制步进电机驱动模块,达到路径识别的目的;并通过LCD1602液晶显示模块显示小车的运行状态;设计实现单片机对步进电机的智能控制,达到小车自主循线和避障的功能。
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