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TCRT5000 Line Following Sensor Module


  • Supply Voltage: 3.3V~5V DC
  • Detection distance: 1mm – 8mm
  • Digital Outputs HIGH when an object is detected
  • On-board indicator LED to show the results
  • On-board potentiometer to adjust the sensitivity
  • On-board LM393 chip
  • Usually used for line following robot



TCRT5000 Line Following Sensor Module best price Pakistan

This TCRT5000 Line Following Sensor Module best price Pakistan is utilizes to detect color and distance. It emits IR rays and then detects if it receives the reflection. This sensor is often used in line following robots, auto data logging on utility meters, because this module can sense if a surface is white or black.

The measuring distance range is from 1mm to 8mm, and the central point is about 2.5mm. There is also an on-board potentiometer to adjust the sensitivity.
The infrared diode emits the infrared ray continuously when the module connects to the power, when the emitted infrared light has not been reflected or the strength is not big enough, it will be in the off state, at this time, D0 output logic is LOW and the signal indicates LED off.
TCRT5000 Line Following Sensor Module best price Pakistan

Features & Specifications:

  • Active InfraRed (IR) reflection sensor.
  • Purpose:
    • Can be used for detection of distance to a nearby object
    • Can also be used to sense the difference between light and dark colours and hence be used in vehicular robotic competition where one has to follow a line/grid on the floor.
  • Power supply: 3.3V to 5VDC
  • Supply Current: < 9mA (when the onboard SMD LED is off)
  • Output: Open collector output capable of sinking upto 20mA of current – Active Low Logic
  • Connector: 4 Pin 0.1 inch pitch header for power & digital output (Vcc, Gnd, DO, AO)
  • AO is the analog output
  • The digital output (DO) is like an alarm which goes on when the distance to the object or light reflected off the object reaches a specific value.
  • Adjustment: Activation threshold can be adjusted via the onboard multi-turn potentiometer
  • PCB Dimensions: 32mm x 14mm (not including the protruding connector)
  • Height of components: upto 10 mm on component side. The sensor is mounted on back side.


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