Subject:
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Re: RIS SDK - Comments and questions
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Newsgroups:
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lugnet.robotics
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Date:
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Thu, 1 Mar 2001 01:39:00 GMT
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Original-From:
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Henri Zikken <zikken@home.nlSTOPSPAM>
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Viewed:
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573 times
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> It's *far* from an intelligent motor! It's a pain to use even as a simple
> motor. You can't even tell it "turn on and keep running forever"...
> which seems like a pretty basic operation for any motor! The darned
> thing runs for a few seconds, stops and then goes into an orgy of
> annoying beeping!
As far as a motor is concerned I guess 'producing an orgy of annoying beeps'
is pretty intelligent :)
> I'd *love* to see a Lego system where the standard system carried an I2C
> bus modulated on top of the power signal down a standard Lego wire - then
> to have an I2C computer in every motor and sensor. You could have RAM • bricks,
> IR sensor bricks, voice synthesiser bricks, etc, etc. You could have an
> unlimited number of motors and sensors - each one with local intelligence.
If you're not afraid to use non-lego technology you might take a look at the
Velleman K8000 kit, the 'Computer Interface Board'.
It's constantly connected to the PC thru RS232, though velleman also sells
kits to control 'things' by IR.
It has 16 'digital' outputs (one resistor and you got TTL), 8 AD Ports, 4
DA ports AND an I2C interface. It comes with source code (C++, Visual basic)
and is not to hard to build (lots of soldering though).
Their kits also include temperature sensors, liquid sensors, stepper motors
(!), motion sensors, rotation sensors and a PIC, so it is acually possible
to build an RCX out of it.
Though it would be far bigger in size, it would have far more ports and an
I2C bus. Besides, it's got more blinkin' lights, you gotta have blinkin'
lights ;)
Though I'm using it for different purposes I have shot some pictures of the
kit:
http://members.home.nl/zikken
> Now *THAT* system would kick ass.
It does :)
> My 10yr old kid is programming our RCX in NQC...he was only 9 when he
> learned how to do that.
Programming isn't that difficult, it's mostly a logic thing. Kids pick up on
that a lot faster then 'we adults' think.
An RCX is basically the same to a kid as those wooden boxes with different
shaped holes and blocks. It's just fitting the blocks in the correct holes
in a clever way and off you go..
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Message has 1 Reply:
 | | Re: RIS SDK - Comments and questions
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| (...) That's not the idea though. I'm looking to the *tiny* single chip devices that exist for I2C - those could be buried inside a sensor or motor without increasing it's size significantly. A truly distributed system with no large central computer (...) (24 years ago, 1-Mar-01, to lugnet.robotics)
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Message is in Reply To:
| | Re: RIS SDK - Comments and questions
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| (...) It's *far* from an intelligent motor! It's a pain to use even as a simple motor. You can't even tell it "turn on and keep running forever"... which seems like a pretty basic operation for any motor! The darned thing runs for a few seconds, (...) (24 years ago, 28-Feb-01, to lugnet.robotics)
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