基于AT89C52单片机的十字路口交通灯控制程序源代码和proteus仿真源文件，采用keil做开发环境-Based on AT89C52 crossroads traffic lights to control the program source code and proteus simulation source files, using keil to do development environment

光立方的源代码，AT89C52，经过试验验证的，效果不错-ight Cube source code, AT89C52, after experimental verification, good results