Relay board with light sensor XH-M131 12V

Relay board with light sensor XH-M131 12V

Product information:

This module is designed for automatic switching of electrical devices based on light intensity. The light sensitivity is adjustable via a potentiometer. Ideal for applications such as automatic lighting or day/night controlled switching.

Features:

- Input voltage: DC 12V (with reverse polarity protection)

- Relay switching capacity:
- AC: 0–125V / 20A
- DC: 0–14V / 20A

Dimensions: 53 × 31 × 19 mm
LED indicators:
- Red: Power active
- Blue: Relay activated

Connections (relay output):
NO (Normally Open): relay closed when activated
COM (Common): common connection
NC (Normally Closed): relay closed when not activated

Applications:
- Automatic lighting in the dark (e.g. street lamps)
- Smart switching based on daylight
- Automation of indoor or garden lighting

The module is easy to mount thanks to the 4 M3 mounting holes and requires no programming — plug & play with adjustable threshold value via the rotary knob.