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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Fri, 11 Aug 2006 23:17:50 GMT
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Viewed:
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12953 times
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On 8/11/06, Brian Davis <brdavis@iusb.edu> wrote:
> The problem (I think; somebody want to prove me wrong?) is that the "master"
> NXT can send messages to at most three "slave" NXTs, but the "slaves" can not
> then act as BT masters to still more units. In other words, it seems very very
As I was working on my ruby-nxt module, I managed to get the nxt to
connect to my laptop as both a master and a slave. On my laptop (a
MacBookPro) I created an incoming bluetooth serial port and an
outgoing serial port on the DEV-B device service on the NXT. I then
initiated a connection from the NXT to the laptop on Connection 1 and
then initiated a connection from my laptop to the NXT on the DEV-B
port. On the NXT screen under bluetooth connections, it showed my
laptop on both Connection 0 and Connection 1.
I haven't tried to actually communicate on both connections at the
same time yet and I only have one NXT so perhaps it wouldn't work
between NXTs, but it seems to be possible for the NXT to act as both a
master and slave when connecting to other bluetooth devices... I'll
experiment with it some more this weekend.
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