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Using a wide voltage LM393 comparator

With a mouting screw hole, easy to install

Using the sensitive type photosensitive resistance sensor

The comparator output signal clean waveform is good, driving ability, than 15mA

With adjustable potentiometer can adjust the brightness of the light detected

Working voltage: 3.3V-5V

Output: DO digital switch output (0 and 1), AO analog voltage output