Relay Module with Photodiode

Description

Light detection, brightness detection, through the potentiometer can adjust the detection of brightness valve points, with relays, can do a variety of brightness detection switches, can control various street lights, automatic opening at night, automatic extinguishing during the day and vehicle supplies control and automation equipment. (Compared with photoresistors, the directivity is better. It can sense the light source in fixed direction and detect the light in front of photodiode. It is difficult to detect the surrounding area, so it should be in the function of searching light).

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