2PCS LDR Photoresistor Light 3/4 Pin Detection Sensor Module Arduino PIC PI 5V

Description

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Item Description
Specification:
Module Features:
1, Using sensitive photosensitive resistance sensor
2,The comparator output signal is clean, good waveform, driving ability, more than 15mA.
3, With adjustable potentiometer to adjust the brightness of the light detection
4,The working voltage 3.3V-5V
5,The output form: DO digital switching outputs (0 and 1) and AO analog voltage output
6,A fixed bolt holes for easy installation
7, PCB Size: 3.2cm x 1.4cm
8, Using a wide voltage LM393 comparator
9, Type：3PIN and 4PIN
Product wiring instructions:
1, VCC positive power supply 3.3-5V
2, GND power supply is negative
3, DO TTL switching signal output
4, AO analog output
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