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  • 20mm – 5000mm Ultrasonic sensing distance
  • 3mm positional accuracy.
  • 5V Supply Input
  • All processing done onboard and a single output pin returns a pulse-width proportional to object distance.
  • Works by sending a 40kHz pulse and measuring the time for the pulse to be ‘reflected’ by an object, then using the speed of sound(~340m/s in air) the distance can be calculated.
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