Subject:
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Re: mechanical XOR and Half Adder
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Newsgroups:
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lugnet.technic
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Date:
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Thu, 9 Mar 2006 09:10:28 GMT
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Viewed:
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6870 times
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In lugnet.technic, Ross Crawford wrote:
> In lugnet.announce.moc, Martin Howard wrote:
> > Hi all,
> >
> > I've finally updated my mechanical logic gate pages with a couple of new (ish)
> > creations. The XOR gate and the Half Adder. You can find them by going to
> > http://www.goldfish.org.uk/xor.html and
> > http://www.goldfish.org.uk/halfadder.html.
>
> Nice work Martin! I'd point out a typo in the text for your 1/2 adder though -
> you say "1+1 = 1, carry 1", the sum should be 0 :)
>
> > P.S. I'd stick in a picture or two here ... if I could figure out how ...
>
> No problem the links are fine. To use FTX you have to set the format (under the
> subject when posting) to FTX and use FTX code as explained here
> http://www.lugnet.com/publish/ftx/guide/
>
> ROSCO
Thanks for the comments and pointing out the typo.
Martin
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Message has 2 Replies:
 | | Re: mechanical XOR and Half Adder
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| (...) Well, technically, 1 + 1 = 2, or in binary, 1 + 1 = 10. The sum isn't 0, the S output is 0. ‹/nitpicks› This stuff is cool. I like your mechanical logic gates better than the pneumatic ones I've seen. Yours are definitely cheaper to build. (19 years ago, 10-Mar-06, to lugnet.technic, FTX)
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Message is in Reply To:
| | Re: mechanical XOR and Half Adder
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| (...) you say "1+1 = 1, carry 1", the sum should be 0 :) (...) No problem the links are fine. To use FTX you have to set the format (under the subject when posting) to FTX and use FTX code as explained here (URL) (19 years ago, 8-Mar-06, to lugnet.technic)
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