模拟交通信号灯，实现红黄绿灯的转换，非常有兴趣-Simulation of traffic lights, red, yellow, green light to achieve the conversion, very interested

对交通信号灯的模拟，有东西南北四个方向且具备左转灯的提示。使用proteus&keil联调。C51-Simulation of traffic signal lamp, with the four corners of the world in four directions and have left lamp tips. Use proteus& keil adjustment. C51