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Check Your Understanding:
  1. 1. A shaft encoder is:
  2. An analog sensor that measures the distance the robot travels
    A sensor that moves the wheel axle the number of times it has been programmed to do so
    An analog sensor that codes its output so that only your robot, with its code breaker information, can use it
    A digital sensor that measures the amount of rotation on the axle which passes through its sensor
  3. 2. The number of counts for one rotation of the shaft encoder is
  4. 127