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I want to create a line follower by EV3 using hi-tech color sensor without using switch! :( I tried some former ways but the robot cannot follow the line very well! can anyone guide me?

  • Can you be more specific about a particular a part of the problem you are facing? – pcantin Aug 8 '15 at 13:37
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This is from page 87 of a document showing how to run NXT bricks using EV3-G software.

proportional line following

It uses the light sensor, not color sensor. You'll want to set the mode of the color sensor.

Inside a loop that will stop following a line if the left button on the brick is pressed.

Basically, the steering value of the motors is taken from the light sensor reading.

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