Subject:
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Re: Mindstorms USB connection and memory
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Newsgroups:
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lugnet.robotics
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Date:
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Wed, 20 Dec 2006 03:53:03 GMT
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Viewed:
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3016 times
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> Mindstorms NXT experts,
>
> Okay, so I am working with my NXT and it occurs to me that the brick has a
> USB
> connection. USB connections are bidirectional meaning that information can
> go
> both ways.
>
> Skip ahead to me wanting to embed a USB memory key into a LEGO brick like
> so
> many others have done and a thought occurs to me. Maybe a USB key could be
> used
> to store more program on the USB key (thumb drive).
>
> Does anyone know if a program could be stored on a USB Key and then
> connected to
> the NXT brick and the program run from the memory on the USB Key.
>
> Or am I crazy?
Yes, you're crazy.
Actually, it's been suggested many times. However, it doesn't quite work
that way.
With USB, there's a master device, and a slave device. The thumb drive is a
slave device. The NXT is a slave device. You can't connect a thumb drive
to an NXT, just like you can't connect two thumb drives together. A thumb
drive could not request data from another drive. And, the NXT could not
request data from a thumb drive.
This is a hardware issue, so you can't get around it with new firmware.
Sorry
Steve
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Message has 3 Replies:
 | | Re: Mindstorms USB connection and memory
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| (...) Steve, Thanks! I was hoping it might work like the memory card in my digital camera. By the way, when your working on the next NXT, a memory card slot would be COOL! I can dream can't I? Sincerely, Todd (18 years ago, 20-Dec-06, to lugnet.robotics)
| | | Re: Mindstorms USB connection and memory
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| (...) That being said, I did once load my brick up with custom firmware that made it look like a USB key - with just under 256K (yes K) of storage - not very useful, and probably the most expensive USB key ever made! Ralph (18 years ago, 20-Dec-06, to lugnet.robotics)
| | | RE: Mindstorms USB connection and memory
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| There is a lot of "not quite standard" to existing USB capable products. Some things like digital cameras and thumb-drives get along fine with current operating systems, but most of them have their own drivers available to implement extra features. (...) (18 years ago, 20-Dec-06, to lugnet.robotics)
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Message is in Reply To:
| | Mindstorms USB connection and memory
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| Mindstorms NXT experts, Okay, so I am working with my NXT and it occurs to me that the brick has a USB connection. USB connections are bidirectional meaning that information can go both ways. Skip ahead to me wanting to embed a USB memory key into a (...) (18 years ago, 20-Dec-06, to lugnet.robotics)
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