Photo-resistor LDR Light Sensor Module (Light Dependent Resistor)

  • RM6.36

  • Ex Tax: RM6.00
  • Product Code: LDR Sensor Module
  • Availability: In Stock

Photo-resistor LDR (Light Dependent Resistor) Sensor Module

Features:

  • Able to detect ambient brightness and light intensity
  • Adjustable sensitivity (via blue digital potentiometer adjustment)
  • Operating voltage 3.3V-5V
  • Digital switching outputs (0 and 1) -D0
  • With fixed bolt hole for easy installation
  • Small board PCB size: 3cm * 1.6cm
  • Power indicator (Red) and the digital switch output indicator (Green)
  • Features wide range voltage comparator LM393

Pin outs:

  • External 3.3V-5V VCC
  • External GND ground
  • DO digital output interface, a small plate (0 and 1)

How to use:

  • Photosensitive resistor module most sensitive to environmental light intensity is generally used to detect the ambient brightness and light intensity.
  • Module light conditions or light intensity reach the set threshold, DO port output high, when the external ambient light intensity exceeds a set threshold, the module D0 output low;
  • Digital output D0 directly connected to the MCU, and detect high or low TTL, thereby detecting ambient light intensity changes;
  • Digital output module DO  can directly drive the relay module, which can be composed of a photoelectric switch;

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