Subject:
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More I/O (was mars expansion)
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Newsgroups:
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lugnet.robotics
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Date:
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Tue, 29 Dec 1998 02:13:18 GMT
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Original-From:
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Earle Clubb <eclubb@vt.edu+Spamless+>
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Viewed:
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1242 times
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Richard,
You mentioned using a stamp to gain more I/O on the RCX. I understand that
the sensor inputs on the RCX measure resistance. If so how would one go
about connecting a Stamp to the RCX? Is there a way to convert the Stamp's
high/low output to a change in resistance? I have a Stamp II and I'm very
interested in pursuing this idea. Any help that anyone can give would be
greatly appreciated.
Earle Clubb
-----Original Message-----
From: Richard Clemens [mailto:clemens@wvwc.edu]
Sent: Monday, December 28, 1998 5:25 PM
To: John A. Tamplin; Walter Barnum
Cc: Lego-Robotics Group (E-mail)
Subject: Re: mars expansion
At 02:18 PM 12/28/98 -0600, John A. Tamplin wrote:
> > Also,
> > what is the general consensus on the worth of the first two expansion
> > packs?
Santa brought both, but since I had a bunch of motors, I really don't find
them
too useful. You might get more by buying technics and/or motor packs on
sale.
The fiber optic light unit in the Extreme Creatures is nice but certainly
not
necessary. I have not seen the Mars pack.
> > Lastly, are there any rumors (or facts) about a second revision of
> > the RCX with more inputs and outputs?
No news about a revision but I doubt it. More inputs and outputs would be
possible with external hardware and some logic. A Stamp or PIC chip could
be
used to gain both. With three outputs of eight states each, 512 outputs
would
be possible. The number of inputs would be even larger and limited only by
the
ability to sense levels within the RCX.
--
Richard Clemens, Associate Professor
Computer Science Department
West Virginia Wesleyan College
59 College Avenue, Buckhannon, WV 26201
304-473-8421
clemens@wvwc.edu
--
Did you check the web site first?: http://www.crynwr.com/lego-robotics
--
Did you check the web site first?: http://www.crynwr.com/lego-robotics
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Message is in Reply To:
 | | Re: mars expansion
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| (...) Santa brought both, but since I had a bunch of motors, I really don't find them too useful. You might get more by buying technics and/or motor packs on sale. The fiber optic light unit in the Extreme Creatures is nice but certainly not (...) (26 years ago, 28-Dec-98, to lugnet.robotics)
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