模拟路灯控制系统，分白天模式和夜晚模式，模式的切换由DS1302时钟芯片时间来判断，白天模式中通过光敏电阻检测当前光照强度，低于设定的值则灯亮，夜晚模式只有在车辆或者行人通过灯才会亮，检测行人通过是通过红外对管实现。-Street light control system simulation, the points during the day mode and night mode, the mode switch is judged by the DS1302 clock chip tim