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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Tue, 8 Feb 2000 07:15:42 GMT
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Original-From:
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Mihalka, Michael <MihalkaM@marshallcenter^nospam^.org>
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Viewed:
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2021 times
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Hi CS,
The network crashed while I was composing the message and only half was
sent. It follows:
First, the lego hose works well with the fischertechnik valves. The
fischertechnik hose is not as wide and thus the fischertechnik solution is
to use connectors. As John Barnes as noted to me in another email, these
have a tendency to fall off.
Second, the RCX can be used to drive the fishertechnik system. As far as I
can tell all of the modern fishertechnik stuff is compatible with LEGO
(sensors, motors, etc.). Both systems operate at 7-9 volts (6 NiCds). I will
be running some tests on the weekend to check this out and will post the
results (fischertechnik has reed contact and NTC temperature sensors as well
as electromagnets). Maximum voltage for fishertechnik gear is 12 volts.
In response to CS's comment about driving these valves, several cylinders
can be driven with a few outputs. I won't leave that as an exercise for the
student (as they used to say at university). I will post something on this
this weekend as well.
Michael
-----Original Message-----
From: C S Soh [mailto:cssoh@singnet.com.sg]
Sent: Tuesday, February 08, 2000 3:33 AM
To: lego-robotics@crynwr.com
Subject: Re: Controlling pneumatics II
[fischertechnik valves]
"Mihalka, Michael" wrote:
> Folks,
> I finally received my advanced pneumatics set from Dacta
and have integrated
> the fishertechnik valves into the sliding door model. Not
surprisingly all
> worked well in the initial test which can be seen at:
> http://www.geocities.com/Athens/Column/9278/Pic00018.jpg
> <http://www.geocities.com/Athens/Column/9278/Pic00018.jpg>
> I must say that I was somewhat
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.
--
C S Soh
http://web.singnet.com.sg/~cssoh
... where air is power
--
Did you check the web site first?:
http://www.crynwr.com/lego-robotics
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