new_contents: import RPi.GPIO as GPIO
  from hcsr04sensor import sensor
  
  # Created by Al Audet
  # MIT License
  
  def main():
      '''Calculate the distance of an object in centimeters using a HCSR04 sensor
         and a Raspberry Pi'''
      # Use GPIO.BOARD values instead of BCM
      trig_pin = 11
      echo_pin = 13
      # Default values
      # unit = 'metric'
      # temperature = 20
      # round_to = 1
  
      # Create a distance reading with the hcsr04 sensor module
      # using GPIO.BOARD pin values.
      value = sensor.Measurement(trig_pin, echo_pin, gpio_mode=GPIO.BOARD)
      raw_measurement = value.raw_distance()
  
      # Calculate the distance in centimeters
      metric_distance = value.distance_metric(raw_measurement)
      print("The Distance = {} centimeters".format(metric_distance))
  
  if __name__ == "__main__":
      main()
  
subject: Add recipe for board pin values