Line Following Robot using IR Sensor – Circuitry

Line Following Robot
Lesson Details
How to use IR sensors to detect a black line in a white region?


  • Completing the assembly and circuitry of IR sensors. Calibrating the sensors to detect black and white regions.
Classroom Bundle Used: STEM Classroom Bundle, STEM Mini Classroom Bundle
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Lesson Overview

  • In this activity, students will make a line following robot that will follow a black line in the white region using IR sensors.
  • During the activity, students will go through the following activities:
    • Assembly of the robot.
    • Circuitry and testing the circuit.
    • Calibration of sensors.

Material Required

1 set of the following material per group of 3-5 students:

Lesson Outline

Introduction and Demonstration of the robot - 10 minutes
Assembly of the robot - 10 minutes
Circuitry - 10 minutes
  • Connect the motors to evive.
  • Connect the IR sensors to evive.
Programming the robot to show IR sensor state on evive display - 20 minutes
Calibration of IR Sensor - 10 minutes

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