说明：  基于单片机的多功能智能小车设计论文(电路+程序+论文) 非常详细，单片机用的at89s52，路面检测、lcd显示、测速、控速、复位电路。 有图有程序，很完整。
(Microcontroller-based multi-functional intelligent car design thesis (circuit+ program+ papers) is very detailed, microcontroller used at89s52, road test, lcd display, speed, speed control, reset circuit. A diagram a procedure, it is complete.)