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Check Your Understanding:
  1. 1. What is the value of the Ultrasonic Rangefinder when it cannot detect an object?
  2. 0
  3. 2. Why did the robot stop when it could not detect an object?
  4. It actually did not stop
    The default value of the Ultrasonic Sensor, when it cannot detect an object is less than the threshold value
    It didn’t know what to do and stopping is the fail-safe condition
    The threshold value was set too low
Boolean Logic Pt 1
Boolean Logic Pt 2