5/12V Photoresistor Relay Sensor Module Light Control Switch Detection Detector
ab 1,95 €
The photoresistor module is most sensitive to ambient light and is generally used to detect the brightness of ambient light;. 1 x 5/12V Photoresistor Relay Sensor Module. When the ambient light exceeds the set threshold, the relay is closed, and the common end is connected to the normally open end.
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