Line Tracker/Finder Sensor (Vertical)


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This is high performance line finder that is designed for line following robotic. It consists two parts – an IR emitting LED and an IR sensitive phototransistor. It can output digital signal to a microcontroller so the robot can reliably follow a black line on a white background. The sensor is Arduino compatible.


  • Small size.
  • 5V DC power supply.
  • Indicator LED.
  • Digital output.
  • Distance: up to 3 cm

Pin Definition

  • GND: Ground
  • SIG:  Output (HIGH when line is black and LOW when line is white)
  • VCC: 3.3-5 VDC

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Line Tracker/Finder Sensor (Vertical)


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