Subject:
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Re: NXT Robot Swarm at BrickFest -- featuring Bluetooth
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Newsgroups:
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lugnet.robotics.nxt
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Date:
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Sun, 13 Aug 2006 15:28:16 GMT
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Viewed:
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13341 times
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In lugnet.robotics.nxt, Dick Swan wrote:
> Here's an idea of how to get more than 3 NXTs connected
> via Bluetooth (BT). It involves using a PC as a "relay
> point".
My problems with this solution are two-fold. First, NXT-G currently can't
send anything back to the PC, as it's not running anything to get the NXT-G
message structure (yes, folks could write this... almost certainly will. But
likely not me). And this may allow much more than 7 connections, because while
NXT-G doesn't allow you to set up a BT connection under SW control, I'll bet a
well-programmed computer certainly could. The second problem is I admit just a
bias of mine - I want my control On The NXT, not off the brick. Autonomy is in
some senses a pretty silly, artificial constraint anyway (hey, I program the NXT
with a laptop, right?)... but so is working with LEGO and not sheet metal.
What I do *not* know as yet is if the three connection limit, and the
inability to set up BT connections under on-the-NXT SW control, is due to the SW
(NXT-G doesn't have the ability), or the FW (the LEGO FW can't command those
modes), or due to the BlueCore FW itself (i.e., we're stuck with it due to the
chipset on the NXT). Anyone know?
--
Brian Davis
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