Subject:
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Old idea or new idea?
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Newsgroups:
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lugnet.robotics
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Date:
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Thu, 2 Nov 2000 22:46:35 GMT
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Original-From:
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John Barnes <barnes@sensors.NOMORESPAMcom>
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Viewed:
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815 times
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While pondering the merits of various schemes for adding more I/O
to the RCX, and having already built a few different schemes myself
just to be able to test drive them, I was struck by the interesting
possiblity of seriously extending the RCX my means of the IR link.
Stop me now if this a deja vu all over again, 'cos I missed it the first
time.
Only becasue I've spent the last few weeks getting a single "multiple
RCX" thing to work, by means of the message transmit receive function,
did it cross my mind that you could build little smart bricks which
communicate with the RCX via this function. This cannot be a new idea,
but as I said, I must have missed it the first time. I assume that you
could have sensor bricks and motor control bricks which are addressed
by some simple message byte convention and which would hang off of
a daisy chain of wires from a 9v battery pack.
Now why wouldn't I want a bunch of those. I do!
Any thoughts? Whose already done it?
JB
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Message has 3 Replies:
 | | RE: Old idea or new idea?
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| (...) Sounds like the MIT "Cricket" to me John.... As an embedded guy yourself, you know this means distributing power to each brick with its own battery, unless you want a wire in which case you might as well use a standard serial link :-) Maybe (...) (24 years ago, 2-Nov-00, to lugnet.robotics)
| | | Re: Old idea or new idea?
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| "John Barnes" <lego-robotics@crynwr.com> schreef in bericht news:4.2.0.58.200011...lserver... (...) but the problem is , Lego doesn't used a standard IR-protocol but a carier-based IR-communication. And that means filters demodulation and a lot of (...) (24 years ago, 2-Nov-00, to lugnet.robotics)
| | | RE: Old idea or new idea?
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| Ralph Hempel wrote: >Sounds like the MIT "Cricket" to me John.... >As an embedded guy yourself, you know this means distributing >power to each brick with its own battery, unless you want a wire >in which case you might as well use a standard serial (...) (24 years ago, 2-Nov-00, to lugnet.robotics)
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