Subject:
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Re: RCX Limitations, griping, etc. :)
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Newsgroups:
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lugnet.robotics
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Date:
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Wed, 6 Jan 1999 02:29:34 GMT
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Original-From:
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Jim West <jwest@frii.com>
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Viewed:
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3175 times
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At 12:24 AM 1/6/99 +0000, Mark Tarrabain wrote:
> Only 3 input ports... only 3 output ports... no expandability... The
> only redeeming thing for it from a programmer's point of view is LegOS.
Ahhhh....but alas my friend, that is where the challenge lies. Hey...the
Apollo missions had less to work with. :)
>
> ARGH!!!
>
> Okay... I'll try to calm down. Lessee...what are the alternatives?
>
> Well, there's the MIT Programmable Brick.. But that's a research project
> at MIT, and there are no plans to commercially sell it. Can't get my
> hands on one.
Well...the RCX *is* the commercialized version of the MIT work.
>
> There's the Cricket. Hrm... nope. Only two motor outputs. Further,
> again, it's an internal project, with no plans for commercialization.
> Again, can't get my hands on one.
Yep, I agree.
>
> There's the Handyboard... Okay, now *THIS* has potential. But there's
> no readily obvious way to adapt it to a real LEGO mindset. It's a bare
> motherboard that is subjected to the elements, is delicate, has no nice
> and easy to follow directions in how to adapt it to plug into any LEGO
> pieces, and overall just isn't suited to unplanned play. I can probably
> get one of them quite easily, but then what?
...and just a tad too large to put into an "empty" RCX case.
>
> Am I frustrated? Well... maybe just a little.
Heh. Buy two LEGO sets and call us in the morning.
>
> I'll shut up now.
>
> Thanks for listening. :)
Anytime.
>
> > > Mark
> --
> The preceeding comments are not intended to offend anyone or anybody's
> efforts. I realize that many people have done marvelous work in the
> area of building robots with LEGO and the available tools, but for inept
> clods such as myself, it doesn't appear that there are many workable
> options.
> --
> Did you check the web site first?: http://www.crynwr.com/lego-robotics
--
Did you check the web site first?: http://www.crynwr.com/lego-robotics
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Message has 1 Reply:
 | | Working around the 3 output limitation
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| Someone mentioned a few days back that for a mobile robot you need to use 2 outputs for the motors. I reckon you can get around that on the proviso that you *don't want to stop* one of the motors... Make your chassis like a car, with rack-and-pinion (...) (28 years ago, 6-Jan-99, to lugnet.robotics)
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Message is in Reply To:
| | RCX Limitations, griping, etc. :)
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| Only 3 input ports... only 3 output ports... no expandability... The only redeeming thing for it from a programmer's point of view is LegOS. ARGH!!! Okay... I'll try to calm down. Lessee...what are the alternatives? Well, there's the MIT (...) (28 years ago, 6-Jan-99, to lugnet.robotics)
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