Subject:
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Re: Controlling pneumatics II [fischertechnik valves]
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Newsgroups:
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lugnet.robotics
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Date:
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Wed, 9 Feb 2000 04:06:27 GMT
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Viewed:
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1720 times
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James Powell wrote:
> > Hi, Mike,
> > Seems your posting got sort of cut off. I'm sure you have more to say.
> > As it takes up 2 RCX output ports to control one cylinder, you will run out
> > of output ports for a mobile robot. So that's a point down for the Fischer
> > technik implementation.
>
> How about using a diode in each wire, (assuming single acting solenoid), then
> connecting both to one output. One opens when power is one direction, the
> other one opens on the other direction (reversed polarity).
>
> James P
Aha, yes, that should do it. Essentially a reversing switch just like the Lego
pneumatic valve.
--
C S Soh
http://web.singnet.com.sg/~cssoh
... where air is power
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