Subject:
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Re: Rokenstorms - A Rokenbok/Mindstorms frankenstein monster
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Newsgroups:
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lugnet.robotics
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Date:
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Sat, 29 Sep 2001 04:00:19 GMT
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Viewed:
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668 times
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"Tilman Sporkert (webMethods)" <lego-robotics@crynwr.com> wrote in message
news:NBBBJMHNNJPIKOMDACPNAENHEJAA.tilman@webmethods.com...
> This raises some questions. I've seen those Rokenbok setups in the stores
> many times, and find them pretty neat. I never figured out how the • vehicles
> are powered. Do they just take AA batteries, or do they use rechargables?
The vehicles normally take 3 AA's, but I've been able to continuously power
the module for hours via a 9V lego battery pack (using 6 AA's) or RCX motor
output without any adverse affects.
> I
> also didn't see any power supply in your frankenstein version. How is your
> Rokenbok board powered? And how does the RCX interact with all of this?
I'm currently powering my board via a motor output on the RCX. If you look
at the gallery-photos on my web page, there's a picture showing the board
mounted on top of and power via the RCX.
As for interacting with the RCX, I'm designing a vehicle which will be
driven via a human controlling the rokenbok, with the RCX running a program
monitoring sensors to assist in other tasks (such as controlling a grabber
arm to play soccer).
It's also possible to feed a rokenbok motor output into an RCX sensor input
to signal the RCX via the RF. Unfortunately, without some added
electronics, the RCX can only detect one direction of the motor , so it's
basically on on/off signal.
Cheers!
-brian
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