The XH-M131 (5V version) is a light detection relay module that uses a photoresistor (LDR) to detect ambient light levels and automatically control a relay. When the light intensity falls below or exceeds a preset threshold (adjustable via a potentiometer), the relay activates or deactivates an external electrical devi...
Read moreThe XH-M131 (5V version) is a light detection relay module that uses a photoresistor (LDR) to detect ambient light levels and automatically control a relay. When the light intensity falls below or exceeds a preset threshold (adjustable via a potentiometer), the relay activates or deactivates an external electrical device.
This module operates on 5V DC, making it ideal for use with Arduino, Raspberry Pi, ESP8266, ESP32, and other microcontrollers for smart lighting, automatic control systems, and home automation projects.
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