10 thoughts on “mark3 – a line tracer v.2.0

  1. Yes, NXT-G provides …
    Yes, NXT-G provides a “dice” block… generating a number from 0 to 100.

  2. you are amazing!! …
    you are amazing!! how you manage to make such a cool video on something as basic as a line follower ! congrats.
    …and yes bricxCC rules!!!

  3. i made an nxt with …
    i made an nxt with 2 light sensors
    with a black line in the middle of them
    try it out

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