Subject:
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Re: Sonar and the handyboard
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Newsgroups:
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lugnet.robotics.handyboard
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Date:
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Fri, 21 Mar 1997 22:50:23 GMT
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Original-From:
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Adam <ADAM@RING.ZENOX.COMavoidspam>
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Viewed:
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1744 times
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Tom,
I put the cap in too - never noticed much defference.
It must just be for some minimal filtering of noise.
I don't know how well you know Ben, but it sounds as though
you will probably be fixing this one solo, eh?
Do you have manuals? I'll look up the info on the chip
for you when I get home tonite. (if I remember)
----------------------------------------------------------
Adam B. Cox check out my web page
Computer Engineer http://www.zenox.com/~adam
Zenox Communications Corp. vmail: 416-241-7000 (x224)
----------------------------------------------------------
On Fri, 21 Mar 1997, Tom Brusehaver wrote:
>
> > You mentioned that the INIT has the 330ohm. I'm pretty
> > sure it's the BINH and NOT the INIT that should have the 330ohm.
> > Reread Kents documentation. I don't think you would have damaged
> > the unit in this short of time.
>
> I wouldn't think so.
>
> I am looking in Kents documentation, and sure enough, there is
> something about putting a resistor on BINH. Also something about
> putting a cap in C7 on the ranging board. I'll play with things
> tonight.
>
>
> > Like I've mentioned on many occasions. I STRONGLY think that
> > the developers of the ranging unit socketed that silly chip
> > 'cause they knew it was prone to failure.
>
> Good thinking :-)
>
> > Is your source of the board close?....
>
> I got it from Ben Wirz.
>
>
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Message has 1 Reply:
 | | Some answers on Re: Sonar and the handyboard
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| Adam and Tom have been exchanging quite a bit of mail on the topic of Ultrasonics and the Handyboard. A lot of good information has come to light as well as some misinformation. I've spent some time figuring out just what is what, and this is the (...) (28 years ago, 22-Mar-97, to lugnet.robotics.handyboard)
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Message is in Reply To:
| | Re: Sonar and the handyboard
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| (...) I wouldn't think so. I am looking in Kents documentation, and sure enough, there is something about putting a resistor on BINH. Also something about putting a cap in C7 on the ranging board. I'll play with things tonight. (...) Good thinking (...) (28 years ago, 21-Mar-97, to lugnet.robotics.handyboard)
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