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Does anybody know of any online resources that go over the setup of driving ultrasonic transducers, as well as how to receive an ultrasonic echo, and pick it out (for rangefinding)?

I found this article online...but it glosses over it almost too much.

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  • \$\begingroup\$ What are you trying to do with the ultrasound? What are you coupling the signal into? (air? water? steel?). These things do matter when deciding what to do with the signal. \$\endgroup\$
    – Michael Kohne
    Commented Nov 23, 2009 at 23:45

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Have you considered an ultrasonic "module" like one of these? http://www.sparkfun.com/commerce/product_info.php?products_id=8502

It will take care of most of the details for you.

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Texas TL852 and TL851 are two devices that you can use to make an ultrasonic range finder. See their website for datasheets

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Some information on ultrasonic hardware can be found here.

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