基于Proteus的交通灯控制系统，带16*2LCD和4*4键盘，可对交通灯切换时间进行设定，以及紧急状态等的设定-Based on the Proteus of the traffic lights control system, with 16* 2LCD and 4* 4 keyboard, available on the traffic lights switch time settings, as well as a state of emergency settings, etc.