Subject:
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Re: YAPNQ
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Newsgroups:
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lugnet.technic
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Date:
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Sat, 14 Jun 2003 18:32:06 GMT
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Viewed:
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875 times
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In lugnet.technic, Mark Tarrabain wrote:
<snip>
> Rob Stehlik wrote:
> And on a related note, here's my own latest versions of one-switch,
> one-piston pneumatic "AND" and "NOT" gates. View the following ascii
> diagrams in a monospaced font:
>
> AND
> Switch
> |----|
> | O-----> #1 AND #2
> | O----- <-- Input #1
> O---| O----** <-- Put a plug here to stop air-flow
> |=| |----|
> | |
> | |
> |_|---------- < Input #2
> Piston
>
> NOT
> Switch
> |----|
> | O----** <-- put a plug here to stop air flow
> | O----- <-- Steady air supply
> O---| O----> NOT #1
> |=| |----|
> | |
> | |
> |_|---------- < Input #1
> Piston
>
>
> In both cases, the switch and the piston are braced together so that
> when the piston is retracted, the switch is all the way down and when
> the piston extends, the switch goes all the way up. The pistons will
> need rubber bands on them to force them to retract when no input is
> provided or else you can apply pressure to the other end of each
> cylinder to reset them.
>
> BTW, two instances of the NOT gates above should be possible to chain
> together to create a NOR gate.
Looking good Mark. It computes.
I had not thought about driving the source of the switch as one of the inputs,
or I tried it early on and gave up.
Kevin
>
> > > Mark (a man with visions bigger than his budget)
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Message is in Reply To:
 | | Re: YAPNQ
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| (...) Know where I can find those adapters? That would certainly be helpful. (...) Yeah... there's only a handful of used ones left though. I'd like to find a place where I can get a ongoing supply of check valves. I have more than a few ideas that (...) (21 years ago, 14-Jun-03, to lugnet.technic)
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