

Photosensitive Resistance Sensor Relay Module See More
The Light Sensitive LDR Relay Module 5V can automatically control a load such as a night security light based on the ambient light level.
This is a self-contained switching module that energizes / de-energizes a relay based on the detection of visible light. Just add 5V power and hook up the load you want to control then adjust the potentiometer to set the brightness level at which you want the relay to switch between ON / OFF.
This type of module can be used for applications such as to automatically turning a light on when the ambient brightness goes below a preset level as might be the case for a outside security light or night light. It can also detect a flame under some conditions.
The LDR sensor is attached to a 10″ lead for remote mounting. The lead can be spliced to increase its length if desired.