Subject:
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Re: mindstorms NXT
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Newsgroups:
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lugnet.robotics
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Date:
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Mon, 9 Jan 2006 03:25:23 GMT
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Viewed:
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8640 times
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In lugnet.robotics, steve <sjbaker1@airmail.net> wrote:
> John wrote:
> > I am not very familiar with the NXT platform but as it sounds now could you
> > possibly plug a USB Flash memory stick into the USB port (or connector) on
> > the NXT and use it for data storage?
>
> As we currently understand things, the USB port is a 'slave' port - not
> a 'master' - so you can plug the NXT into a PC - but you can't plug
> things like thumb drives into the NXT because that would be plugging a
> 'slave' USB device into another 'slave' - and USB doesn't allow that.
Right, see my other post about ARM7 and USB (I wish I knew how to link it but
this web interface is killing me!). The biggest issue is one of the devices
would have to implement a host constoller interface and a USB storage class
driver. Typically slave devices do not have the resource bandwidth for either.
My guess is the USB device is really for flashing the firmware and controlling
the NXT from your desktop (though there maybe other use cases I'm not thinking
about).
Another idea floating around was to use an iPAQ likes substance. That won't
work since typically PDAs (well last I checked) were not capable of being a host
(I had Linux running on my iPAQ for quite sometime and even wrote some doc for
the Debian version).
I believe the most potential for controlling the NXT is bluetooth. It would be
SO COOL to be able to remotely control and collect data in real-time. I am not
as familiar with bluetooth as I am with USB but I do have the specs somwhere
(they maybe open anyway - I know the IEEE1394/Firewire stuff wasn't open and had
to use at one point my student IEEE membership to grab them).
Hope this is helpful!
-aps (Alexander)
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Message has 2 Replies:
 | | RE: mindstorms NXT vs the Competition
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| I'm somewhat bemused by the comments on limited memory, CPU capacity, features, etc on the new NXT brick. At $250 it fits right in the middle range of the other popular consumer hobbyist robotics kits which range in price from $100 to $500. These (...) (19 years ago, 9-Jan-06, to lugnet.robotics)
| | | Re: mindstorms NXT
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| (...) It's simple. For a message in plain text (i.e. not FTX) simply paste your link, the Lugnet web interface automatically inserts hyperlink code. -Orion (19 years ago, 9-Jan-06, to lugnet.robotics)
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Message is in Reply To:
| | Re: mindstorms NXT
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| (...) As we currently understand things, the USB port is a 'slave' port - not a 'master' - so you can plug the NXT into a PC - but you can't plug things like thumb drives into the NXT because that would be plugging a 'slave' USB device into another (...) (19 years ago, 9-Jan-06, to lugnet.robotics)
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