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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Wed, 5 May 1999 18:31:32 GMT
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Original-From:
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Ben Williamson <benw@pobox.com(NoMoreSpam)>
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Viewed:
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1015 times
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On Wed, 5 May 1999, Joel Shafer wrote:
> On your page I also saw your scanner / plotter. Very cool, I've been
> thinking about building one of those for a while. How did you get the
> precision control by using touch sensors instead of rotation sensors?
The touch sensors are just limit switches at the endpoints of motion.
There's not much precision, it just uses time delays and assumes that the
motors spin at a fairly constant rate. Seems to work well enough for some
things, but that wouldn't cut it for the clock. :)
- Ben.
-------------------------------------------------------------------
Ben Williamson benw@pobox.com http://www.pobox.com/~benw/
--
Did you check the web site first?: http://www.crynwr.com/lego-robotics
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Message is in Reply To:
 | | Re: New creation: Lego Clock
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| On your page I also saw your scanner / plotter. Very cool, I've been thinking about building one of those for a while. How did you get the precision control by using touch sensors instead of rotation sensors? (...) -- Did you check the web site (...) (25 years ago, 5-May-99, to lugnet.robotics)
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