Subject:
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Re: Spybotics - A great disappointment
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Newsgroups:
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lugnet.robotics
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Date:
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Tue, 23 Jul 2002 02:49:48 GMT
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Viewed:
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976 times
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In article <003101c23167$bbed7890$610b010a@soporcel.pt>,
lego-robotics@crynwr.com (Marco Correia) wrote:
> So, a bit like MicroScout, it's programmed through the inbuilt LightSensor,
> right ?
>
> Can you see if it uses a VLL protocol like CodePilot/MicroScout ?
> ...that way, any Scout/RCX/CyberMaster could download VLL snipets to it.
It is programmed using visible light, but the commands are very
different from CodePilot/MicroScout. The protocol itself is just
4800bps NRZ turned into light. The packets have a simple format
(preable, data bytes, checksum). The commands in the packets are
identical to RCX commands (minus a few commands that aren't supported,
plus a few new ones).
>
> One important thing, can the RUN/EXECUTE command be sent through the cable
> (unlike CodePilot/MicroScout) or the only way is by pressing a button on the
> unit, every time we want to run a program ?
Yes. You can do this (use nqc 2.5 a1, and type "nqc -run" for example).
> If yes (and assuming it's using a VLL protocol or any other that we can
> decode), the Spybotics unit could be a smarter slave to the RCX than the
> MANAS unit.
Much smarter. I'd put it between Scout and RCX 2.0, closer to RCX 2.0.
>
> hmmm... doesn't the RIS 2.0 USB IR-Tower has a LED for VLL output ?
> Maybe it could be used in that mode.
maybe. It would need input too, and I don't know if enough light could
get through that dark plastic. Even so, you'd need some way of getting
the tower really close to Spybotics (or use fiber optic).
> What is the purpose of the thing that looks like a IR-rc (I think someone
> also called it a Beacon) ?
> It looks like it has 4 or 5 buttons and a lever or something ?
> Could anyone with a Spybotics set shed some light on that object ? :)
You can use that to interact with the Spybotics brick. You can manually
control the motors or send it messages. I think there are also some
modes where it broadcasts a signal and the Spybotics can detect where it
is.
>
> And also, is there a way to control mode than one unit at the same time ?
> i.e. Can I control the 4 units independently, like the MANAS, where each has
> an ID out of possible three (it's like 3 IR channels).
The spybotics have IDs and are intended to be used in groups, but I
haven't experimented with this yet.
Dave
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Message has 1 Reply:
 | | RE: Spybotics - A great disappointment
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| (...) So, in theory, comms between CyberMaster/RCX/Scout and Spybotics is possible, provided that a fiber optic is used and an emulator is coded, although, at 4800bps I don't know if that's feasible with standard firmware and NQC. (...) INPUT ? (...) (22 years ago, 23-Jul-02, to lugnet.robotics)
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Message is in Reply To:
| | RE: Spybotics - A great disappointment
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| Hi :) (...) So, a bit like MicroScout, it's programmed through the inbuilt LightSensor, right ? Can you see if it uses a VLL protocol like CodePilot/MicroScout ? ...that way, any Scout/RCX/CyberMaster could download VLL snipets to it. One important (...) (22 years ago, 22-Jul-02, to lugnet.robotics)
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