通过电压比较器比较光敏、声音的电压，判断是否为晚上并且有声音。灯亮10秒延时。原理图、PC版与程序已经打包。(Through the voltage comparator, we can compare the sensitivity of the photosensitive and the sound to determine whether it is night or sound. The light is delayed for 10 seconds. The schematic di