该设计是一个本科毕业设计，是基于STC89C52的小车自动循迹的设计，全面的描述了自动循迹小车的硬件和软件设计，对于学习单片机十分有帮助。-The design is a graduate design is based on the automatic tracking STC89C52 trolley design, comprehensive descr iption of the automatic tracking car hardware and software design, very helpful for learning microcontroller.