Subject:
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Re: Tower crane
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Newsgroups:
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lugnet.org.ca.nalug
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Date:
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Mon, 21 Oct 2002 15:17:25 GMT
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Viewed:
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2382 times
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In lugnet.org.ca.nalug, Larry Pieniazek writes:
> http://members.shaw.ca/atrium/crane/
>
> I confess not looking closely at this when it was first publicised. It's
> amazing. (see also : http://news.lugnet.com/org/ca/nalug/?n=661 )
>
> There is mention at the end of the page of the use of an RCX but not much
> additional detail... John K. if you're on the list (or anyone else), can you
> give details of what the RCX was doing? Was it serving basically as a remote
> control receiver the way that TJ's marine crane used it? Or something else.
> If it's a complex program (or even if not) it might be nifty to include a
> link to the source on the page (which maybe I missed?)
Answering ('cause I happen to know)...
The RCX let you run the crane by remote, but it also had a default program
that would run the crane through a random sequence.
This was good at the show in that people ooohed and aaaahed at the crane
being moved around, but bad in that the remote was screwing up the
roundhouse on the next table.
Learning experience: if you don't want an RCX accidently over-ridden, cover
over the I-R port...
James
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Message has 1 Reply:
 | | Re: Tower crane
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| (...) Do you seriously mean a random sequence? Or just a preprogrammed sequence of ops. If random, where was the random seed being obtained? (...) Indeed. (22 years ago, 21-Oct-02, to lugnet.org.ca.nalug)
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