Subject:
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Re: challenge: LEGO copier
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Newsgroups:
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lugnet.robotics
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Date:
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Wed, 4 Aug 2004 20:37:15 GMT
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Original-From:
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Mr S <szinn_the1@yahoo.%antispam%com>
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Viewed:
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952 times
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Would the bricks be assembled as a wall one brick
thick on its side? Like laying a cinderblock wall on
its side then creating a copy?
That might be done with an X-Y table arrangement with
vice like sides at top and bottom of the bricks so
that they could be 'crushed' together after being
placed.
By moving the "wall of bricks" on an X-Y table, you
would need fewer and less complex parts for the
pick-n-place operation... at least that makes sense to
me.
--- Joe Strout <joe@strout.net> wrote:
> In article <I1xouE.LpJ@lugnet.com>,
> Mark Tarrabain <markt@SPAMBLOCK.lynx.net> wrote:
>
> > Actually, he said "flat". So I would assume that • he meant an assortment
> > of bricks simply stuck to one baseplate, sort of
> like a mosaic.
>
> No, I meant stuck to each other.
>
> > As for brick boundaries... I think the only thing • you would need to
> > worry about is the boundaries where the colors • differ. As long as you
> > are allowed any configuration of bricks that • produces the designated
> > color pattern, it should be very feasable (you • could even design it to
> > optimize the number of bricks used, actually).
>
> That's what I had in mind too.
>
> > And on the subject of
> > colors, the imprecise sensitivity of the LEGO • light sensor could likely
> > not handle more than 3 colors in total, black, • white, and some other
> > inbetween one.
>
> I was assuming the use of a camera, not the LEGO
> light sensor. But
> using the light sensor is a clever idea.
>
> > This will almost certainly require more than 1 RCX • though... I would
> > imagine there to be simply too many states to • manage at the same time
> > for just 3 outputs.
>
> Here I expose my complete cluelessness with regard
> to RCX. Its three
> outputs are what -- voltage levels? Usually used to
> drive a motor
> directly? If so, does this mean that a robot needs
> one RCX per every
> three degrees of freedom?
>
> Thanks,
> - Joe
>
>
,------------------------------------------------------------------.
> | Joseph J. Strout Check out the Mac Web
> Directory: |
> | joe@strout.net
> http://www.macwebdir.com |
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Message is in Reply To:
 | | Re: challenge: LEGO copier
|
| (...) No, I meant stuck to each other. (...) That's what I had in mind too. (...) I was assuming the use of a camera, not the LEGO light sensor. But using the light sensor is a clever idea. (...) Here I expose my complete cluelessness with regard to (...) (20 years ago, 4-Aug-04, to lugnet.robotics)
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