Subject:
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Re: NXT to NXT communication?
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Newsgroups:
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lugnet.robotics
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Date:
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Tue, 2 May 2006 23:45:16 GMT
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Viewed:
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6967 times
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In lugnet.robotics, Brian Davis wrote:
> In lugnet.robotics, Ross Crawford wrote:
>
> > I'm hoping someone out there has 2, and has
> > investigated NXT-NXT communication. Is it possible?
>
> Yep. I'm not at all sure about hardwiring two NXT's together - to be honest,
> I've not even thought about it, because BT connections are so easy and secure.
> Early on I investigated the BT option by sending simple numbers between two
> NXT's. But there are other options: Steve H made a remote control, and I
> recently made another one (time for some NXT racing!). And since communication
> can go two ways, the "vehicle" can send detailed information to the remote for
> display etc.
What about multiple NXTs? How well does Bluetooth handle message collisions?
Does the NXT have anything built-in to handle them, or would I need to program
some kind of re-try protocol? I assume it also has no built-in addressing
protocol?
ROSCO
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Message has 1 Reply:
 | | Re: NXT to NXT communication?
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| (...) I can't speak for the NXT, but knowing that it has BT, and should be adhering to the specs, then the answer would be yes. The master-slave communication is coordinated via time slots within a piconet. This would avoid message collisions. In (...) (20 years ago, 4-May-06, to lugnet.robotics)
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Message is in Reply To:
| | Re: NXT to NXT communication?
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| (...) Yep. I'm not at all sure about hardwiring two NXT's together - to be honest, I've not even thought about it, because BT connections are so easy and secure. Early on I investigated the BT option by sending simple numbers between two NXT's. But (...) (20 years ago, 2-May-06, to lugnet.robotics)
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