This module is used for detecting the ambient brightness and light intensity.
1. Operating voltage 3.3V-5V.
2. Output: DO digital switch outputs (0 and 1).
3 .With a mounting screw hole,easy to install.
4. PCB size: 3.2cm * 1.4cm.
5 .Comparator chip LM393.
1. VCC power supply positive
2. GND connect ground
3. DO TTL switch signal output
1 x Photosensitive Resistance Sensor Module
Technical support is not included in this auction