Digital Light Sensor Light Detection Module 4Pin_x000D_\n_x000D_\nProduct Description:-_x000D_\n_x000D_\n1, Using sensitive photosensitive resistance sensor_x000D_\n_x000D_\n2,The comparator output signal is clean, good waveform, driving ability, more than 15mA._x000D_\n_x000D_\n3, With adjustable potentiometer to adjust the brightness of the light detection_x000D_\n_x000D_\n4,The working voltage 3.3V-5V_x000D_\n_x000D_\n5 DUAL OUTPUT form: DO digital switching outputs (0 and 1) and AO analog voltage output_x000D_\n_x000D_\n6 A fixed bolt holes for easy installation_x000D_\n_x000D_\n7 PCB Size: 3.2cm x 1.4cm_x000D_\n_x000D_\n8 Using a wide voltage LM393 comparator_x000D_\n_x000D_\nProduct wiring instructions:_x000D_\n_x000D_\n1 VCC positive power supply 3.3-5V_x000D_\n_x000D_\n2 GND power supply is negative_x000D_\n_x000D_\n3 DO TTL switching signal output_x000D_\n_x000D_\n4 AO analog output