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This Mini IR Detector sensor module  is researched and produced by ALSRobot.The Mini IR Detector sensor module is a distance adjustable sensor. It has high adaptability to ambient light with high accuracy. It comes with transmitter and receiver. The transmitter transmits certain frequency IR and when IR hits into obstacles, it reflects and is received by the receiver and indicator lights up. After being processed by circuit, signal output port outputs digital signal and then detect the distance through potentiometer. The Detecting distance range is 2-40cm. Working voltage range is 3.3v-5v. For the wide rang of fluctuation of voltage, it can be applied to various microcontroller. 


  • Working voltage: DC 3.3V-5V
  • Working current: 20mA
  • Working temperature: -10°C-+50°C 
  • Detecting distanc: 2-40cm 
  • IO port: 4coil port (-/+/S/EN)
  • Output signal: TTL (low voltage with obstacles, high voltage without obstacles)
  • Adjust mode: multi-turn resistance
  • Effective angle: 35°
  • Dimensions: 28mm x 23mm 
  • Weight: 5g
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