Subject:
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Re: Compass sensor
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Newsgroups:
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lugnet.robotics
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Date:
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Wed, 5 Apr 2000 16:44:24 GMT
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Viewed:
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2324 times
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in article FsCwGw.8nB@lugnet.com, Rob Doucette at
rob.doucette@worldnet.att.net wrote on 4/1/00 2:19 PM:
> Simon Bogaert wrote in message <000501bf9b55$18735400$45ce0ac2@sibo>...
> > PS: Is there anybody out there that has built a gyroscopic sensor, because,
> > the compass sensor needs to be perfectly horizontal, and i need a qyro
> > sensor to make it do so.
>
>
> Check out Precision Navigation http://www.precisionnav.com/ They make the
> Vector 2X digital compass. They have a single plane version, a multiaxis
> gimballed version as well as the $$$ non-mechanical tilt compensated model.
> I've been thinking about using a BasicX to interrogate a Vector 2X and drive
> a Polaroid 6500 sonar range finder for navigation.
>
> -Rob.
Don't know anything about compasses, but you may be able to use mercury
switches to determine if your compass is horizontal. The 'bot can't be
moving when you try to read the switches, of course.
I once built a gravity sensor that triggered when something was no longer
horizontal (conducting pendulum inside conducting cylinder), but they
generally don't provide any info on what direction to move the platform to
make it horizontal again.
You could assume that whatever motion your robot just made was the one that
made it go off horizontal and then reverse it....
>
--
Doug Weathers, http://www.rdrop.com/~dougw
Portland, Oregon, USA
Don't spam me - I know how to use http://www.spamcop.net
"On a clear disk you can seek forever"
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Message is in Reply To:
 | | Re: Compass sensor
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| Simon Bogaert wrote in message <000501bf9b55$187354...2@sibo>... (...) Check out Precision Navigation (URL) They make the Vector 2X digital compass. They have a single plane version, a multiaxis gimballed version as well as the $$$ non-mechanical (...) (25 years ago, 1-Apr-00, to lugnet.robotics)
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