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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Tue, 20 Apr 1999 19:57:44 GMT
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Viewed:
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1060 times
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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...
DLC
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