4 Channel line Tracing Sensor

LKR 400

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The 4-Channel Line Tracker sensor provides an easy way for line tracking. A line sensor is composed of a number cells and each cell is composed of a sender and a receiver. The particularity of this sender/receiver pair is that it sends light that shall be reflected by the line to be detected but not by the eventually opaque background surrounding this line. Any sender/receiver pair that is able to make a difference between a line and the rest of ground (of a different color) can be used in a line sensor. 


  • Current 300mA
  • Distance Range 1mm to 250mm
  • I/O Pins 4 Digital Output Pins
  • Operating Voltage 3.3V ~ 5V
  • Sensitivity Can adjust by potentiometer
  • Temperature Range -10 C – +50 C

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