Subject:
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Re: WTB Rotation sensor
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Newsgroups:
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lugnet.robotics
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Date:
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Wed, 21 Apr 1999 09:29:48 GMT
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Original-From:
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Laurentino Martins <LMARTINS@MARKTEST.ihatespamPT>
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Viewed:
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1056 times
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At 20:57 20-04-1999 Tuesday , you wrote:
> In lugnet.robotics, Nick Goetz writes:
> > Where can I find a rotation sensor? I saw it in the Dacta catalog but it
> > seems really expensive.
>
> Yeah, I think they are WAY too expensive too. Try this though, use a
> touch switch, about $10 most places, and one of the larger pulley wheels
> with the 6 (I think) holes in it. Place the pulley on a shaft that the
> wheel turns such that the switch is not triggered when the hole passes
> over. Then you can attach a counter to that button and count the ticks
> you get to determine position or RPM rate. This should be do-able in
> "not too large" of a Rube Goldberg space...
This is not necessary.
There are several ways of setting up a touch sensor (we generally use the boolean mode) and one of them auto-increments the touch sensor readings at each press and/or unpress.
Sorry but I don't have the documentation handy :-(
Laurentino Martins
[mailto:lau@mail.telepac.pt]
[http://www.terravista.pt/Enseada/2808/]
--
Did you check the web site first?: http://www.crynwr.com/lego-robotics
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