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Automatic toilet lamp circuit

2016-08-07 04:24  
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Automatic toilet lamp circuit
As shown in the figure for the automatic toilet lamp circuit, the lamp lights up when people come in and goes out when people go out. At the same time the circuit also has a light control function. The circuit automatically block at daytime, the lamp doesn't light. LED1, LED2 use PH303 type infrared emitting diode.