Line Tracker sensor using V5 Robots & VEXCode Blocks for coding


You should use a wait until instead of an if.

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Ok. I will replace the if with a wait until and see if that works. Thank you!

It should be > not <


Thanks, II changed it from < to >… So either way, if I am going from white to black or black to white, what ever the threshold are, my sensor doesn’t see to be working. Have you been successful at using the line tracker?

I have had it print the value to the screen and its zero “0”. Not sure why the value doesn’t change.

I’ve used it a while back. Try looking at the Device Manager in the brain and see what values it displays. It might be some initialization error or a dead port or a broken line sensor or wiring issue.

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I will check that, thanks so much!