Subject:
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Re: NXT to RCX Communications
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Newsgroups:
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lugnet.robotics.nxt
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Date:
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Thu, 5 Oct 2006 02:36:59 GMT
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Viewed:
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10983 times
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----- Original Message -----
From: "Brian Davis" <brdavis@iusb.edu>
To: <lugnet.robotics.nxt@lugnet.com>
Sent: Wednesday, October 04, 2006 10:23 PM
Subject: Re: NXT to RCX Communications
> In lugnet.robotics.nxt, "John Carrasquillo" <joev@hvc.rr.com> wrote:
>
> > Is it possible for the NXT to send Run Program commands from the
> > NXT to RCX via a light sensor?
>
> No. The light sensor can have the red LED either on or off - you can't set
> it to
> "20%" or something like that, and there's no way to toggle the LED fast
> enough
> to mimic or RCX-style IR message. But...
>
> You could cetainly have a program constantly running on the RCX, looking
> for a
> change in light level, and use that to sense when the NXT was turning its
> LED on
> the light sensor on or off. With proper timing, the RCX could also turn
> the LED
> on the old-style sensor on/off, (by switching between active and passive
> modes),
> thereby signaling the NXT. People have used this before for RCX-to-RCX
> "secure"
> communication, for instance.
>
> > I have the NXT to RCX communications adapter from Mindsensors
> > but I have no programming experience.
>
> Well, once you learn to use that you won't be limited to mechanisms like
> the
> above... and you'll free up more sensor ports. Use it, if possible.
>
> --
> Brian Davis
Thanks Brian. I might as well use the time to try and learn nbc.
John
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Message is in Reply To:
 | | Re: NXT to RCX Communications
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| (...) No. The light sensor can have the red LED either on or off - you can't set it to "20%" or something like that, and there's no way to toggle the LED fast enough to mimic or RCX-style IR message. But... You could cetainly have a program (...) (18 years ago, 5-Oct-06, to lugnet.robotics.nxt)
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