Subject:
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Re: Spybotics demo followup questions
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Newsgroups:
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lugnet.lego.direct
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Date:
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Wed, 24 Jul 2002 11:41:51 GMT
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Viewed:
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780 times
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In lugnet.lego.direct, Jake McKee writes:
> In lugnet.lego.direct, John Hansen writes:
> > In lugnet.lego.direct, Jake McKee writes:
> > > *** How much memory is in the brick? (compared to RCX) ***
> > >
> > > Two thirds the memory (4k compared to 6k for program download "with our
> > > standard firmware"). And it's persistent: because it's stored in EEPROM, you
> > > can remove the batteries and come back years later to find your program is
> > > still there in good shape.
> >
> > According to an e-mail I received from Michael Anderson regarding the
> > Spybotic brick there is
> >
> > "4k EEPROM for persistent program storage (256 bytes available for general use)"
> >
> > To me this sounded like only 256 bytes were available for downloaded
> > programs (i.e., general use rather than firmware use). I hope I'm wrong.
>
> You will have to excuse me in this info gathering process... robotics aren't
> really my strong point, and I am simply relaying info from those who know
> what they are talking about. I got a few bits of info back:
>
> EEPROM: There is a total of 4k available. We reserve 256 bytes for general,
> non-program use (READ-WRITE), such as persistent Spybot information (e.g.
> motor setup or a self-controlled data log) and the rest (3.75k) is used for
> downloading programs and data (READ-ONLY). There is nothing to be gained by
> exchanging the circuit for another circuit with a higher capacity (as one
> asks) because access is controlled from ROM.
>
> IR: Yes, a Spybot can send RCX/Scout messages and an RCX 2.0 (possibly also
> an RCX 1.x with 2.0 firmware - effective range may be shorter) can send
> Spybot messages, just like it can send LEGO Bionicle Manas control messages.
>
> The Spybots use the same 3-channel RC protocol as the LEGO Bionicle Manas
>
> Hope this helps!
>
> Jake
> ---
> Jake McKee
> Sr. Producer
> LEGO Direct
That is great, but can it program my VCR? :-)
Does this mean that the RCX 2.0 has a greater IR range than the RCX 1.x due
to hardware differences?
Does the new IR RC Car use the same protocol as the Bionicle Manas as well?
Jude
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Message is in Reply To:
 | | Re: Spybotics demo followup questions
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| (...) You will have to excuse me in this info gathering process... robotics aren't really my strong point, and I am simply relaying info from those who know what they are talking about. I got a few bits of info back: EEPROM: There is a total of 4k (...) (22 years ago, 24-Jul-02, to lugnet.lego.direct)
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