Subject:
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Re: Polaroid trouble again
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Newsgroups:
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lugnet.robotics.handyboard
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Date:
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Mon, 3 Aug 1998 15:35:09 GMT
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Original-From:
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MAR ERICSON <mar@STOPSPAMMERScooper.edu>
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Viewed:
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613 times
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You may be trying to draw more current that your external battery can
handle. The HB Nicd battery can supply alot of current, both surge abd
continuous. This may be why it works in this case. If your external
battery is not NiCd, it might cause a problem. Try other sources and see
if you get any results.
-----------
ericson mar
Master of Engineering Candidate
Project: Mobile Robotics
mar@cooper.edu
(212)353-4356
Department of Mechanical Engineering
The Cooper Union for the Advancement of Science and Art
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On Mon, 3 Aug 1998, Alf Kuchenbuch wrote:
> Hi!
> I am having trouble with my Polaroid sonar:
> When I keep my HB hooked up
> to external power, I will only get correct readings up to 20 inches. As
> soon as I use battery power without hooking it up to external power, the
> readings are correct up to 6 feet, not more! This sound like EMI, I
> guess. I tried all the capacitor tricks from HB mailing list, but in
> vain. Do you know a fix that works?
>
> Alf H. Kuchenbuch
>
>
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Message is in Reply To:
| | Polaroid trouble again
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| Hi! I am having trouble with my Polaroid sonar: When I keep my HB hooked up to external power, I will only get correct readings up to 20 inches. As soon as I use battery power without hooking it up to external power, the readings are correct up to 6 (...) (26 years ago, 3-Aug-98, to lugnet.robotics.handyboard)
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