Light Sensor Module

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 Light sensor integrates a photo-resistor(light dependent resistor) to detect the intensity of light. The resistance of photo-resistor decreases when the intensity of light increases. A dual OpAmp chip LM358 on board produces voltage corresponding to intensity of light(i.e. based on resistance value). The output signal is analog value, the brighter the light is, the larger the value.

This module can be used to build a light controlled switch i.e. switch off lights during day time and switch on lights during night time.


Product VersionChangesReleased Date
Grove – Light Sensor 1.0InitialApr 28 2013
Grove – Light Sensor(P)Move Grove connector to back sideMay 15 2014
Grove – Light Sensor(P) V1.1Replace photoresistor-5528 with LS06-S Vs.Grove – Light Sensor(P)Dec 31 2015
Grove – Light Sensor 1.2Replace photoresistor-5528 with LS06-S Vs.Grove – Light Sensor 1.0Jan 20 2016


  • Analog value output
  • High reliability and sensibility
  • Small footprint

  • Recognize wider spectrum


Operating voltage3~5V
Operating current0.5~3 mA
Response time20-30 milliseconds
Peak Wavelength540 nm
Weight4 g

Farees Ahmed

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