Subject:
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Re: multi-device output controller (fwd)
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Newsgroups:
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lugnet.robotics
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Date:
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Fri, 26 Mar 1999 16:34:22 GMT
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Original-From:
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Jim Choate <ravage@EINSTEIN.&spamcake&ssz.com>
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Viewed:
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848 times
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----- Forwarded message from Bill Flanagan -----
From: "Bill Flanagan" <bflanagan@mediaone.net>
Subject: Re: multi-device output controller (fwd)
Date: Fri, 26 Mar 1999 11:26:31 -0500
How about an RCX to RS232 connection to use off the shelf components?
Check out this link.
http://www.sbsi.net/bin2/hazel.exe?client=59089090&action=serve&item=electro
nics/motor_driver_interfaces.html
MondoTronics sells a simple serial servo contol that services up to 8 motors
via an rs232 port ($49.95). I have seen a simple version adapted for a Palm
Pilot for $89.00 that services 8 servos as well.
To get the multimotor control that you want and MANY other other devices,
all you need is a way to drive an RS232 port on the RCX. Has anyone thought
about how this might be done?
----- End of forwarded message from Bill Flanagan -----
It's actualy pretty easy. Take the analog RCX output, integrate, S&H, A/D,
serialize and then send to a MAX232 devices and wallah, RS-232.
If you were to pair the output and the input (assuming both 8-bit) you could
then have 3 bi-directional RS-232 channels.
This has some interesting possibilities in that you load 3 images of a
serial protocol handler onto the RCX and then you could use the IR link in
real-time to handle data bidirectionaly to a normal PC. In effect you turn
the RCX into a communications controller.
____________________________________________________________________
The trouble with acting according to your conscience is that
once you start doing it, nobody can trust you any more.
Alexis A. Gilliland
The Armadillo Group ,::////;::-. James Choate
Austin, Tx /:'///// ``::>/|/ ravage@ssz.com
www.ssz.com .', |||| `/( e\ 512-451-7087
-====~~mm-'`-```-mm --'-
--------------------------------------------------------------------
--
Did you check the web site first?: http://www.crynwr.com/lego-robotics
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