Questionable Results from Ultrasonic

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Questionable Results from Ultrasonic

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#10

02-03-2016, 15:04

BitTwiddler BitTwiddler is offline

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Re: Questionable Results from Ultrasonic

Quote:

Originally Posted by Tom Line

They are analog so they work the same way. Voltage proportional to distance.

To be honest, we use them to sense the presence of an object on the robot. We just look for a certain threshold voltage to sense this. While they can be used to measure distances the response curve is non-linear so some kind of table look-up function might be needed to convert a measured voltage to the distance measured.

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