M131 Photosensitive Resistor Module 5v Automatic Control Switch Relay Controller 12V

Board parameter

1. The module adopts 12V power supply and has anti-reverse connection function. Reverse power supply will not damage the module;

2 , the normal load interface maximum load capacity: AC 0V--125V/20A , DC 0V--14V/20A; module output has three ports common ( COM ), normally open ( CK), normally closed ( CB ), three The port is equivalent to a dual control switch. When the relay coil is energized, the common terminal is normally connected to the normally open terminal. When there is no power, the common terminal and the normally closed terminal are turned on; the COM terminal is generally connected to the negative pole of the power supply through the load, and the normally open terminal is connected to the positive pole of the power supply. ;

3. The sensitivity can be adjusted by the potentiometer. By adjusting the potentiometer, the threshold of the starting relay is set. When the light is darker than the threshold, the module relay is closed. When the threshold is illuminated, the relay is turned off.