Line Follower

EV3 Mindstorms Line Follower

This line follower will follow a black line on the floor using a single Lego colour sensor.

Parts List

Video Instructions


  1. Program the line follower to follow a black line on the floor using EV3Classroom on the iPad.

Additional challenges:

  1. Have a competition to see who can complete the line from A to B and back to A the quickest.

  1. Have the robot play a tone whenever it is not on the black line.

  2. Once you have a proven robot that works, try it out on a desk with tape on it that leads to a cliff. Can you program the robot to stop as it reaches the cliff. Please make sure you are prepared to catch and save the robot in the event your program doesn't work.