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DC 5V Light Control Switch Photoresistor Relay Module

Elevate your automation projects with the XH-M131 DC 5V Light Control Switch Photoresistor Relay Module – a reliable, compact, and highly efficient solution for automatic light-dependent switching. Whether you are a hobbyist, electronics enthusiast, student, or professional engineer, this module delivers precise light sensing and powerful relay control in one easy-to-use board.

The XH-M131 is a versatile photoelectric relay module designed to detect ambient light levels and automatically control connected devices. It features a high-sensitivity photoresistor (LDR) that senses changes in light intensity and triggers a 5V relay to switch ON or OFF electrical loads. Operating on a stable DC 5V supply, it is perfectly compatible with Arduino, Raspberry Pi, ESP8266, ESP32, and other popular microcontrollers, as well as standalone applications.

Key Features

• Operating Voltage: DC 5V (low power consumption)
• Light Detection: High-quality photoresistor for accurate ambient light sensing
• Relay Output: 10A 250V AC / 10A 30V DC – capable of handling significant loads
• Adjustable Sensitivity: Built-in potentiometer (trimmer) lets you fine-tune the light threshold according to your environment
• Indicator LEDs: Power LED and relay status LED for easy monitoring
• Output Type: Normally Open (NO) and Normally Closed (NC) contacts
• Compact Design: Small PCB size, easy to integrate into any project box or enclosure
• Reliable Performance: Stable operation with anti-interference design

How It Works

The module continuously monitors light intensity through the photoresistor. When light falls below your preset threshold (adjustable via the onboard potentiometer), the relay activates and turns ON your connected device. As soon as sufficient light is detected, the relay turns OFF automatically. This makes it ideal for energy-saving and hands-free automation.

Wide Range of Applications

• Automatic Street Lights / Garden Lights: Turn on at dusk and off at dawn
• Night-activated lamps and security lighting
• Poultry farm / Greenhouse automation – control lights based on natural daylight
• Smart home projects – corridor lights, wardrobe lights, aquarium lighting
• Alarm systems – trigger alerts when light conditions change
• DIY Electronics Projects – Arduino-based light followers, data loggers
• Industrial automation – conveyor belts, machine status indicators
• Solar-powered systems and battery-efficient setups

Why Choose XH-M131?

This module stands out for its plug-and-play simplicity. No complicated coding is required for basic operation, though it integrates seamlessly when you want advanced control through a microcontroller. The adjustable sensitivity ensures it works perfectly in different locations – from brightly lit rooms to dark outdoor environments.

Built with quality components, the XH-M131 offers long-term reliability and consistent performance. The relay supports both AC and DC loads, giving you the flexibility to control bulbs, fans, motors, solenoids, heaters, and more.

Technical Specifications

• Module Model: XH-M131
• Working Voltage: DC 5V
• Relay Contact Capacity: 10A 250VAC / 10A 30VDC
• Detection Method: Photoresistor (LDR)
• Board Size: Compact (approx. 30mm x 50mm)
• Mounting Holes: Available for easy installation
• Interface: VCC, GND, relay output terminals

Package Includes

1 × XH-M131 Light Control Relay Module

Perfect for Beginners and Professionals

Whether you are building your first Arduino project or designing a commercial automation solution, the XH-M131 provides a cost-effective and dependable foundation. Its straightforward design saves development time while delivering professional-grade results.

Energy Efficient & Cost Saving

By automatically controlling lights and appliances based on actual need, this module helps reduce electricity bills and extends the life of your bulbs and devices.

Order Now from Sellerhat.com

Get the best price on the XH-M131 DC 5V Light Control Switch Photoresistor Relay Module. Fast delivery across Bangladesh with genuine products and excellent customer support.

Upgrade your projects with intelligent light sensing today! Make your systems smarter, greener, and more efficient with this powerful little module.