IR Sensor

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8 IR Sensor Array

This is an infrared based sensor array which can be used in advanced line following and grid navigation robots. The array has 8 individual sensors placed next to each other. Each sensor has its own digital and analog output and can sense the presence of a line and indicate it with a 5V logic output. On reading the digital state of the eight sensors, the user can not only detect the line but also get to know how far the centre of the robot is from the line. When all sensors sense the line, the robot is on an intersection. 

IR Sensor

IR Sensor Module has a pair of infrared transmitting and receiving tubes. When the transmitted light waves are reflected back, the reflected IR waves will be received by the receiver tube. The onboard comparator circuitry does the processing and the green indicator LED comes to life.

The module features a 3 wire interface with Vcc, GND and an OUTPUT pin on its tail. It works fine with 3v3 to 5V levels. Upon hindrance/reflectance, the output pin gives out a digital signal (a low-level signal). The onboard preset helps to fine tune the range of operation, effective distance range is 2cm to 80cm.


IR Sensor Features:


  • Easy to assemble and use
  • Onboard detection indication
  • Effective distance range of 2cm to 80cm
  • A preset knob to fine-tune distance range


Specifications and Features:

  • There is an obstacle, the green indicator light on the circuit board
  • Detection distance: 2 ~ 30cm
  • Detection angle: 35 °
  • Comparator chip: LM393
  • 3mm screw holes for easy mounting
  • Dimensions: 48 x 14 x 8 mm (LxWxH)
  • Weight: 3gm
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