wichita.edu
… the NXT/EV3 unit. You must therefore show satisfactory evidence to the course Judge that the unit is utilizing a light or color sensor to guide its path when following the course centerline. If, in the judges considered opinion, sensors are not being used, a score of zero will be recorded for the run. Bill of Materials: Any 4x8 ft material would be…
https://www.wichita.edu/academics/engineering/mindstorms/challenge/2021/2021_Line_Follower.php