©  Gene Harding 2018
Gene HardingProgramming LEGO® EV3 My Blockshttps://doi.org/10.1007/978-1-4842-3438-9_5

5. Using Lines

Gene Harding1 
(1)
South Bend, Indiana, USA
 

Learning Topics

My Blocks, unit conversion, feedback, looping constructs, proportional control, variables, and conditional constructs

Requirements

  1. 1.

    Find a black line when crossing it.

     
  2. 2.

    Follow the right or left edge of a black line a specified distance.

     
  3. 3.

    Find the point at which a black line makes an abrupt 90° change in direction.

     
  4. 4.

    Square up on a black line.

     
The black lines on FLL challenge mats can be used to precisely locate the robot in one direction (north–south or east–west), or in the case of lines intersecting at 90° angles, provide a precise waypoint in both directions (north–south ...

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