Answer Key: Move until Touch_Unit Level

Answer Key: Unit Quiz

  1. The electrical switch inside the Touch sensor is closed when the sensor is pressed.  This causes an electrical current to flow and changes the sensor value from “0” (open) to “1” (closed).
  2. The “Wait-for-Touch” block was set for “bumped”.  This means the robot would continue to move after the can pressed the touch sensor, but then stop when it was released (when the can falls of the table).  Since the robot will stop immediately after the can falls, the tribot would not end up on the floor.