5V Photoelectric Resistor Relay Module

Automated Light-Controlled Relay Switching: Integrates a light-dependent photoresistor (LDR) to automatically trigger an electromechanical relay based on ambient brightness levels.

Onboard Threshold Sensitivity Trimmer: Features a precision multi-turn potentiometer to set exact light activation points for custom dark or light switching responses.

High-Power Load Control Interface: Equipped with heavy-duty relay contacts capable of switching high-power AC ($250\text{V} / 10\text{A}$) and DC ($30\text{V} / 10\text{A}$) electrical loads.

Integrated Optocoupler & Circuit Protection: Built-in isolation protection guards upstream control circuitry against inductive voltage spikes and electrical noise.

Dual LED Telemetry Indicators: Outfitted with an onboard power indicator LED and a relay actuation LED for quick visual status monitoring.

Housing & Board Material: High-grade FR-4 glass-epoxy PCB with blue screw-terminal connector blocks and a sealed 5V relay housing.

Technical Specifications:

Operating Voltage: 5.0V DC.

Relay Output Capacitance: AC 250V/10A, DC 30V/10A.

Product Weight: 0.08 kg.

Color: Blue PCB with Blue Relay Enclosure and Screw Terminals.

Usage Advice: Connect a 5V DC power supply to the VCC and GND terminals; wire your external AC/DC load through the Normally Open (NO) or Normally Closed (NC) screw terminals, then adjust the potentiometer to set trigger sensitivity.

Maintenance: Keep electrical connection terminals dry and free of moisture; avoid touching high-voltage terminals when the module is powered.

Essential Standalone Smart Lighting Controller: Position as an easy-to-use, standalone light switch module requiring no programming—ideal for automatic nightlights, courtyard lamp controls, and solar lighting setups.

Highlight High Load Switching Capability: Emphasize its ability to directly drive high-current AC mains lamps and pumps without needing extra driver transistors or microcontrollers.

Recommended Cross-Sell Add-ons: Pair with 12V Photoelectric Resistor Relay Module, XH-M131 5V Photo-resistor Relay Module, 4Pin Photoresistor Light Detection Sensor, and ESD antistatic mat 50x40CM PCB Welding Mat.

Featured Collection Star: Display prominently on your Light Sensor Module collection page as your standard 5V LDR switching relay board.