This item is a kit for student to learn how to use photo transistor
the board will detect the light, when the light is dark, the relay 12VDC will be turned on
It can be applied to use with an application to turn on the light automatically and turn off automatically after the sun set in the garden or in front of your home door.

Technical information
- Require 220V AC
- Current consumption 40mA
- VR on board to adjust the sensitivity of light sensor to detect the light.
- Relay contact 5A@220V
- PCB size 2.53" x 1.72"

Download User Manual