Light Sensor Module
DC 5V Light Control Switch Relay Detection Sensor
$4.00
Light threshold can be adjusted by potentiometer to set the relay start
Input: 5V DC
Load capacity: 10A / AC 250V or DC up to 30V
RED LED ON: Indicate the Power ON
BLUE LED ON: Relay is working
Module output terminal has three ports
Normally open ( NO )
Common terminal ( COM )
Normally closed ( NC )