Subject:
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help with sonar
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Newsgroups:
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lugnet.robotics.handyboard
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Date:
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Mon, 6 Apr 1998 22:12:22 GMT
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Original-From:
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Matthew J Spenko <MJS329@LULU.ACNS.NWU.antispamEDU>
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Viewed:
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1086 times
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I emailed fred martin directly and he told me to respond to this address.
Fred:
does the sonar click indicating transmit? pls. follow up to the HB
mail list.
My response:
yes, the sonar does click. I have also connectd it to a scope
and both
the init and the echo signal appear to be correct.
In your message you said:
> Mr. Martin
> I am using the handy-board in conjunction with two sonars with 6500
> ranging modules from Polaroid. I used the connections and the code that
> you suggested from the mit web page. I continue getting a constant
> reading no matter where an obstacle is placed. I read the that it may • be
> caused from interference, but I don't know how to fix that. I also
> sometime receive a signal that too much time has elapsed. Do you have • any
> suggestions about how to remedy this. Or perhaps you can direct me to a
> web page or other resource that mught have some answers.
>
> Matthew Spenko
> mjs329@nwu.edu
>
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