利用C52单片机实现交通灯功能，很方便简洁的源码。-Traffic lights using C52 MCU functions, it is convenient compact source.

单片机C24串口操作连接代码，方便连接单片机，可以根据图纸修改端口-MCU C24 serial operation connection code for easy connection to the MCU port can be modified according to the drawings