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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Wed, 3 May 2006 21:50:53 GMT
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Viewed:
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3196 times
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In lugnet.robotics, Steve Hassenplug wrote:
> In lugnet.robotics, Joe Strout wrote:
> > In lugnet.robotics, Steve Hassenplug wrote:
> >
> > > The NXT to NXT communication works very well, and is easy to use. Here's some
> > > video of an NXT controller for an NXT robot...
> > >
> > > http://www.brickshelf.com/gallery/Hassenplug/Robots/NXT/nxtremotecontrol.wmv
> >
> > Neat! You used the NXT motors as inputs on the remote control? How stiff are
> > they when you do that?
>
>
> The motors offer little resistance when used this way. However, there's
> something else which I think is kind of cool. If you look close, when I let go
> of the controller, the paddles return to the middle, and the car stops. Using
> just one block at the start of the program, I set the motor to "stay there" so
> when you push the paddle forward, it springs back.
>
> The steering wheel does the same. Actually, in the latest version of my
> program, when you let go of the steering wheel, the car's wheels straighten out.
> The more you turn it, the more the wheels turn.
So they could potentially be programmed to provide force or shudder feedback?
> Brian said:
> > First, all the incoming messages come in over one channel (connection [0]; connections [1], [2], and [3] are for outgoing messages),
>
> This is not exactly true. All connections are bi-directional. You can send and
> receive over each connection.
>
> However, (almost like Brian said) Connections 1,2,&3 are outgoing connections.
> That's like if this NXT originates a phone call. And, it has one incoming
> connection (connection 0).
>
> So, when you send a message, you specify the "connection" and the "mailbox" the
> message is going to.
>
> Clear as mud?
Yes, but I'm interested to know: Are these multiple connections available via
the LEGO retail software, or did you program your pair some other way? It's just
another source of info has said the retail software only supports a single pair
of NXT, but what you describe sounds like you could have more than 2 working
together?
ROSCO
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Message has 1 Reply:
 | | Re: NXT to NXT communication?
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| (...) That's one possibility. (...) OK, that's a much better way of phrasing that :). The thing that's a little confusing (to me) is that means that if the NXT named "Ann" wants to communicate with one named "Ben", you can establish a BT connection (...) (19 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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| (...) The motors offer little resistance when used this way. However, there's something else which I think is kind of cool. If you look close, when I let go of the controller, the paddles return to the middle, and the car stops. Using just one block (...) (19 years ago, 3-May-06, to lugnet.robotics)
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