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LDR Light Sensor Module



  • Can detect ambient brightness and light intensity
  • Adjustable sensitivity (via blue digital potentiometer adjustment)
  • Operating voltage 3.3V-5V
  • With fixed bolt hole for easy installation
  • Small board PCB size: 3cm * 1.6cm
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The LDR Light Sensor Module, short for Light Dependent Resistor Sensor Module, is an electronic device designed to detect and measure the intensity of light in its environment. It utilizes a Light Dependent Resistor (LDR) as the primary sensing element.


  • Light Sensitivity: Offers adjustable sensitivity for versatile applications, from subtle ambient light detection to bright illumination response.
  • Analog and Digital Outputs: Provides both analog and digital signals additionally with analog output proportional to light intensity and digital output based on a threshold.
  • Versatile Operating Range:Because it operates in various light conditions also from low-light to direct sunlight, due to its adaptable design.
  • Compact and User-Friendly: Compact and easily integrated into electronic circuits, often featuring straightforward microcontroller interfacing.


  • Automatic Lighting Control: Adjusts lamp/LED brightness based on natural light levels, saving energy and enhancing illumination.
  • Security Systems: Detects intrusions by monitoring ambient light changes within secure areas and also enhancing security systems.
  • Street Lighting: Automatically adapts streetlamp brightness to surrounding light conditions in smart street lighting systems.
  • Photography: Controls camera settings (shutter speed, aperture) for improved image quality in photography equipment.
  • Environmental Monitoring: Records light data for analysis in weather stations and environmental monitoring systems.

To Learn More Visit our Website

For more information:-www.mifraelectronics.com 

Weight 0.2 kg


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