Subject:
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Re: Multi-RCX Dreaming
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Newsgroups:
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lugnet.robotics
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Date:
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Thu, 17 Jun 1999 20:10:11 GMT
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Original-From:
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Luis Villa <LIV@DUKE.ihatespamEDU>
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Viewed:
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836 times
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On Thu, 17 Jun 1999, Jonathan Woodward wrote:
> At 07:31 PM 6/17/99 GMT, Luis Villa wrote:
> > 1) Has anyone actually gotten two RCXs to communicate reliably via IR?
> > (LNP folk (if there actually are any) are solicited here!)
>
> -Lots of people (not myself, though I do own 2 RCXs now).
I should have clarified on this one: in LegOS :) Windows is, for better or
for worse, not an option.
> > 2) What about other forms of communications? I know several people have
> > used two RCXs to construct bots of various forms- have they communicated
> > in any way? Or have they operated independently?
>
> -Besides the built-in "message" function, there are several other ways
> RCXs could communicate. RCX A could shine a light into RCX B's light
> sensor. RCX A could start a motor that would tap RCX B's touch sensor.
I was thinking of this. I wondered (more for curiousity's sake) whether
or not this has actually been done.
> For an extreme example, RCX A could run a motor, monitor its rotation with
> a rotation sensor also connected to RCX A, and have another rotation
> sensor, connected to RCX B, on the same axle. It would certainly be an
> interesting way to transmit data.
Hmm... That would be a really interesting one... rotation sensors will
also be in plentiful supply.
> > 3) The big one: What would you do with six RCXs?
>
> -Me personally? My interest would be purely software: Develop a
> protocol to allow any two RCXs in the group to transmit arbitrary strings
> of bytes to each other unambiguously, without the others getting confused.
That was what the LNP (LegOS Network Protocol, which I guess was discussed
on the LegOS list) supposedly had as a goal. I'm afraid that it appears to
have died. I may get back into it, I suppose, but I have to focus on other
stuff at the moment and have absolutely zero messaging protocol
experience.
-Luis
#######################################################################
Profanity is the one language that all programmers understand.
-Anonymous
#######################################################################
--
Did you check the web site first?: http://www.crynwr.com/lego-robotics
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Message has 1 Reply:
 | | Re: Multi-RCX Dreaming
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| (...) [ ... ] (...) Well, it hasn't actually died, just slowed down a bit. If you look on lugnet.robotics.rcx.legos there has been some very low-level talk recently. I haven't done *any* lego stuff recently, but, when I do I'll likely be doing (...) (25 years ago, 18-Jun-99, to lugnet.robotics)
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Message is in Reply To:
| | Re: Multi-RCX Dreaming
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| (...) -Lots of people (not myself, though I do own 2 RCXs now). (...) -Besides the built-in "message" function, there are several other ways RCXs could communicate. RCX A could shine a light into RCX B's light sensor. RCX A could start a motor that (...) (25 years ago, 17-Jun-99, to lugnet.robotics)
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