Subject:
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Re: New creation: Lego Clock
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Newsgroups:
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lugnet.robotics
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Date:
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Tue, 4 May 1999 23:38:01 GMT
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Original-From:
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Luis Villa <LIV@DUKEstopspammers.EDU>
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Viewed:
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1157 times
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Is there any way to order the fiber-optic thing by itself? I can't find
it anywhere in the pitsco-dacta catalog.
-Luis
On Tue, 4 May 1999, Alex Wetmore wrote:
>
> From: Dennis Clark <dlc@verinet.com>
> > I still don't know really what you are talking about, this is the first
> > that I have heard of using that FO thingee as an angle sensor/counter. • How
> > does it work in NQC?
>
> Treat the FO device as a light sensor. As you turn it you can see it switch
> between two values (a high value and a low value). Count those values and
> you have a rotation sensor. Its probably easiest to make a thread which
> does this for you, and stores the count in a global.
>
> The downside is that you can't determine direction with it (like you can
> with the true rotation sensor). If you are just trying to find the speed of
> one of your motors this isn't an issue, since you inherently know the
> direction already.
>
> I bought one of these devices on sale (in the fiber optic multiset), but
> haven't had a chance to play with it yet (besides hooking it up and using
> the watch mode on the RCX display).
>
> alex
>
> --
> Did you check the web site first?: http://www.crynwr.com/lego-robotics
>
>
#######################################################################
God was my co-pilot,
but we crashed in the mountains
and I had to eat him.
-bumper sticker
#######################################################################
--
Did you check the web site first?: http://www.crynwr.com/lego-robotics
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Message has 1 Reply:
 | | RE: New creation: Lego Clock
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| (...) I have never seen a service pack with it. But I believe S@H has the fiber optic multi-set (8456) on sale this spring. It includes 397 additional parts. Or you can by an Mindstorms Extreme Creatures set for $49.95... Tilman -- Did you check the (...) (26 years ago, 5-May-99, to lugnet.robotics)
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Message is in Reply To:
| | Re: New creation: Lego Clock
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| From: Dennis Clark <dlc@verinet.com> (...) How (...) Treat the FO device as a light sensor. As you turn it you can see it switch between two values (a high value and a low value). Count those values and you have a rotation sensor. Its probably (...) (26 years ago, 4-May-99, to lugnet.robotics)
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