Subject:
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Re: Building a computer from Lego's
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Newsgroups:
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lugnet.robotics
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Date:
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Tue, 30 Jan 2001 22:52:26 GMT
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Original-From:
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Harley Myler <h.myler@#NoMoreSpam#myler.org>
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Viewed:
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1202 times
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At 7:06 PM +0000 1/30/01, Bob Sardelli wrote:
> This guy built a computer out of Tinkertoys! So I was wondering, has anyone
> ever built a computer out of legos? Heck, has anyone ever built a working
> cash register. Certainly can be done.
>
> http://www.edge.org/digerati/hillis/index.html
Let's be careful with the term "computer". Back in the 50's Bell labs built a tic-tac-toe "computer" from relays, they had one at the old Buhl Planetarium in Pittsburgh. The game of tic-tac-toe is easily simulated with a finite state machine (FSM) as there are fixed strategies, clear outcomes and lots of symmetry. The project requires the development of a flip-flop, or memory device, so that your machine can remember what the current state of the game is--that will determine what it's move will be. You also need a representation system and logic gates, but these are relatively easy after the flip-flop problem is resolved.
Browse http://www.rustrans.co.uk/rope.html for a description of a "rope and pulley" computer, it might give some insight into building one with Lego.
Harley Myler
http://macmyler.engr.ucf.edu
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Message has 2 Replies:
 | | Re: Building a computer from Lego's
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| (...) tic-tac-toe "computer" from relays, they had one at the old Buhl Planetarium in Pittsburgh. The game of tic-tac-toe is easily simulated with a finite state machine (FSM) as there are fixed strategies, clear outcomes and lots of symmetry. The (...) (24 years ago, 31-Jan-01, to lugnet.robotics)
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