3.3-5V Input LM393 Light Sensor Module for Arduino Raspberry Pi

The LM393 is a simple photo-resistor light sensor that has both analog and digital outputs. The digital output has a trim potentiometer that can be used to set a trigger light level.
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RM12.00

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Details
Details
  • The brightness of surrounding environment and the light intensity can be detected (compare with the photoresistor, directivity is relatively good, can perceive the fixed direction of the light source)
  • Sensitivity adjustable the blue digital potentiometer adjustment (Figure)
  • Operating voltage 3.3V-5V
  • Digital switching outputs (0 and 1)
  • With fixed bolt hole for easy installation
  • Small board PCB size: 3.2cm * 1.4cm

 

Instructions

  • Photodiode module is most sensitive to the ambient light. It is generally used to detect the brightness of the ambient light intensity.
  • If the light intensity of less than a set threshold, DO port outputs a high level, when the light intensity exceeds the set threshold value, the module D0 output is low
  • The small board digital output D0 can be connected directly with the microcontroller to detect high and low to detect environmental light intensity change
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