Subject:
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Re: LEGO MindStroms 2.0: Alternative transmission techniques
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Newsgroups:
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lugnet.robotics
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Date:
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Sun, 20 Oct 2002 11:51:07 GMT
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Viewed:
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832 times
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lego-robotics@crynwr.com (Steve Baker) writes:
>
> 1) Communications. The RCX uses IR - which is pretty much line-of-sight
> only - so as soon as your robot drives under a table or around a
> corner, it'll have to navigate by itself, record all the data it
> collects and autonomously return to the PC to return results.
Or forbid tables etc. and communicate by reflection on the ceiling.
> 2) Navigation. The problem of knowing where the robot is. There have
> been many long discussions on this topic on this mailing list - and
> the bottom line is that NOBODY has a good solution.
Right. Some markings on the floor can make it easier.
> 3) JAVA. The Java implementation for RCX runs all the software on the
> PC and just sends commands to the RCX to turn on motors, read
> sensors, etc. As has been pointed out, your RCX will be out of
> communication with the PC pretty much all of the time - so this
> isn't going to work. This would have to be done in NQC or (more
> likely) BrickOS/GCC.
I can't imagine you never heard of leJOS (http://www.lejos.org),
which definitely runs Java on the RCX.
> This is an EXTREMELY difficult problem.
I'd also suggest to simplify a bit first,
and make it more difficult as you go.
Jürgen
--
Jürgen Stuber <stuber@loria.fr>
http://www.loria.fr/~stuber/
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