Description
1. Can detect the brightness and intensity of ambient light 
2. Sensitivity adjustable (shown in blue digital potentiometer control)
3. Working voltage of 3.3 V - 5 V
4. Output form:analog voltage output
5. Has fixed bolt hole, convenient installation
6. Comparator using LM393 chip, work stable
 
Module Interface Specifications (3 wire)
1. VCC external 3.3 V - 5 V
2. GND external GND