Subject:
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Re: Ranging
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Newsgroups:
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lugnet.robotics.handyboard
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Date:
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Sat, 18 Jan 1997 06:52:08 GMT
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Original-From:
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Richard Vannoy <richardv@abac.SPAMLESScom>
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Reply-To:
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RICHARDV@saynotospamABAC.COM
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Viewed:
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1328 times
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> i'm looking for a sensor that will give me a distance to a large mass over
> a fairly long distance (i.e. 1ft - 100ft or greater). i plan on using this
> in a model helicopter to range the distance to the ground, and to interface
> it with one of the HB's analog inputs. any recommendations of a good one
> that won't be easily interferred with by the helo's vibration/noise? cost
> isn't an issue...
The Polaroid sensor (50-60 KHz, 1.5-30 feet but maybe more from the
air?) is $49 (minumum two) direct from Polaroid. They are in the FAQ or
I can look up the ordering stuff if you are interested. There is plenty
of documentation for using the Polaroid DIGITAL output (goes low when
echo received) as an input into Handyboard.
--
Richard T. Vannoy II richardv@abac.com
PO Box 103 Computer Programmer
La Mesa, CA 91944-0103 College Electronics Instructor
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