Subject:
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Re: RCX & RIS, a fading glory?
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Newsgroups:
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lugnet.robotics
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Date:
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Wed, 5 Feb 2003 00:50:14 GMT
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Viewed:
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684 times
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In lugnet.robotics, PeterBalch <PeterBalch@compuserve.com> writes:
> I'd use a PIC (but that's just because I always do).
Yes, I agree with that completely. I use them in all sizes for just about
everything.
The bit of "the scheme" I am trying to find a small single chip solution to
is not the digital end of a comms link. As you point out, that's easy.
The small piece of silicon I am looking for will transceive using a
subcarrier to enable ~100kbps serial data, ie, it will inject a low level
> 1MHz subcarrier on the DC power or be able to detect it. 1MHz is well above the range which will be generated in serious amounts by motors. What I can't find is a single chip AM or FM transceiver with logic level data input and output that will do this function.
It'll have to be some kind of special purpose mixed signal device. They used
to be available for power line signalling, but haven't been made in a while
and never were available in TSSOP.
JB
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Message is in Reply To:
 | | Re: RCX & RIS, a fading glory?
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| John (...) to (...) starts (...) True. I was assuming that this was an alternative to the RCX. I'm not a Lego purist; in fact, I'm working on a totally non-Lego expandable system. For various reasons, I'd decided not to go down the route we're (...) (22 years ago, 4-Feb-03, to lugnet.robotics)
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