基于单片机技术的交通灯设计、红绿灯、十字路口-Based on microcontroller technology design of traffic lights, traffic lights, crossroads

别看只是红绿灯程序，但这个是步进的逻辑，随便修改一下，就可以用做其他工程(Don't look at a traffic light program, but this is a step-by-step logic, and you can use it to do other things)