Subject:
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Re: RCX & Cybermaster (VLL comms and MicroScout)
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Newsgroups:
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lugnet.technic, lugnet.robotics
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Date:
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Tue, 20 Mar 2001 01:55:40 GMT
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Viewed:
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1175 times
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In lugnet.technic, Marco Correia writes:
> Hi Chris,
>
> Do a search for "CM-RCX Comm" thread, in lugnet.robotics :)
>
> That's (still) my main current project.
>
> It works. It's possible to make a CM and a RCX communicate with each other
> through "eletric" (or light but I didn't test the input through light, yet)
> connection.
>
> I was working on a custom version of the standard LEGO VLL serial comms
> protocol. My "SlowVLL" is 9 times slower than standard VLL, but the main
> thing is: it works.
> I created SlowVLL protocol because the CyberMaster doesn't support
> FastTimer(), (RCX2 firmware does), so, for now, it's impossible to do input
> on a CyberMaster at a standard VLL data rate (but Standard VLL output to
> RCX2/MicroScout/CodePilot is possible).
>
> After doing some tests on "SlowVLL" input, I was going to finish my lib with
> both SlowVLL input/output and Standard VLL input(RCX2)/output, *BUT* I
> encountered a problem with memory capacity on the CyberMaster :( ...for now,
> the current (complete) version of my NQC lib needs more memory than
> CyberMAster has to offer.
>
> On top of that, my spare (hobby) time is equal to zero :(
>
> I'll post future info on lugnet.robotics under the "CM-RCX Comm" thread :)
>
> mc.
>
> PS: OH! I just got the #9754 Dark Side Developer Kit set, so now I'll have a
> MicroScout to do some Standard VLL tests and calibration of my lib's output
> routines :)
> By the way, the 4 legged walker WALKS PERFECTLY ! Great LEGO design job.
> ...now, I'll just have to think a way to make it turn :>
>
> > -----Original Message-----
> > From: news-gateway@lugnet.com
> > [mailto:news-gateway@lugnet.com]On Behalf
> > Of Chris Fenter
> > Sent: quinta-feira, 15 de Março de 2001 00:30
> > To: lugnet.technic@lugnet.com
> > Subject: RCX & Cybermaster
> >
> >
> > Has anyone tried (successfully, or not...) to create working
> > models or systems using both of these items together?
> >
> > I'm guessing that I could use a mechanical feedback circuit
> > (like 8868 alt. model / 8479) to trigger the RCX from the
> > actions of the Cybermaster, and vice-versa, but I haven't had
> > the chance to try it yet. Is there any good way of making
> > them interact electronically? (other than just linking the
> > same touch sensor to inputs on both to trigger different actions, say)
> >
> > Thx,
> > Chris.
Thx, Marco. I'm investigating! btw, Do you mean that they communicate
through a standard lead attached to sensor inputs, say, or some other
electrical connection? Interesting that the CM can't communicate at speed,
but the MS & CP will. I'd noticed the lack of memory in the CM also - it
doesn't hold a very long period of recorded motion.
Unfortunately, I'm suffering from that lack of hobby time also :^(
but I'm probably also trying to bite off more than I can yet chew on this one!
Chris.
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