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 17:42:46 GMT
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Original-From:
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Joel Shafer <JOEL@nomorespamCONNECT.NET>
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Viewed:
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878 times
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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?
At 01:42 PM 5/4/99 -0700, you wrote:
> On Tue, 4 May 1999, G. Benedikt Rochow wrote:
>
> > I take it that the fiber-optic "distributor"'s LED-switching
> > can be sensed by the RCX? Now that is an astounding multi-use
> > of a specialized element.
>
> Yep, pretty cool. I can't take credit for figuring that out, does anyone
> recall who did? I'm sure this side-effect didn't happen by accident,
> there's no real reason to switch the LED when it's blocked if all you want
> is pretty flashing light pipes. Those Lego guys never cease to amaze me.
> I want to become a master builder so I can quit this software engineering
> thing. :)
>
> - Ben.
>
> -------------------------------------------------------------------
> Ben Williamson benw@pobox.com http://www.pobox.com/~benw/
>
>
>
> --
> Did you check the web site first?: http://www.crynwr.com/lego-robotics
Joel Shafer joel@connect.net
--
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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| (...) 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 (...) (25 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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| (...) I take it that the fiber-optic "distributor"'s LED-switching can be sensed by the RCX? Now that is an astounding multi-use of a specialized element. -gbr (25 years ago, 4-May-99, to lugnet.robotics)
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