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Hi everyone,
OK I've not actually built a LEGO computer, but I have recently been
considering the idea. The first step has been to develop logic gates.
Rather than go down the pneumatic route, which has been pretty successful,
I've tried to do it mechanically. So far I've made NOT, AND, NAND, OR,
NOR, a basic NAND latch (flip-flop) and a clocked NAND latch.
Full details can be found via the LEGO link at my webpage:
http://www.goldfish.org.uk
or just go there directly via
http://myweb.tiscali.co.uk/mjhoward/logic.html
Enjoy,
Martin.
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Message has 4 Replies:
 | | Re: LEGO Computers & Logic Gates
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| (...) The problem seems to me that the power to run the machine comes only from the logic inputs. Thus, you'll have to push insanely hard on a one bit input in order for it to operate any reasonable amount of logic. Maybe you need motorized (...) (20 years ago, 14-Mar-04, to lugnet.robotics)
| | | Re: LEGO Computers & Logic Gates
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| (...) just a lever, like a 3L liftarm. May reduce backlash a little. It would be interesting to investigate a way to make them with a +V input of some kind - maybe a motor somehow - that does the switching of the output, similar to the compressor (...) (20 years ago, 14-Mar-04, to lugnet.technic)
| | | Re: LEGO Computers & Logic Gates
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| "Martin Howard" <goldfishwbp@yahoo.com> wrote in message news:HuJDsu.20sL@lugnet.com... (...) That is some very interesting work. It reminds me of the discrete component machines I have worked on. As Steve mentions, you will need a lot of (...) (20 years ago, 14-Mar-04, to lugnet.technic)
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