Subject:
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RE: pwering the NXT
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Newsgroups:
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lugnet.robotics
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Date:
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Tue, 10 Jan 2006 03:46:46 GMT
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Original-From:
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Sattler Chris-QA1406 <CHRISTOPHER.SATTLER@antispamMOTOROLA.COM>
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Viewed:
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1387 times
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The Q&A for FLL coaches says it comes with a rechargeable battery
system. I think I heard that it was Lithium-Ion in the shape of 6 AAs,
but you can use regular AAs. Whether it comes with a rechargeable
battery system might depend on which system you buy. There is to be a
retail version and an educational version.
Chris
-----Original Message-----
From: news-gateway@lugnet.com [mailto:news-gateway@lugnet.com] On Behalf
Of Chris Magno
Sent: Monday, January 09, 2006 7:00 PM
To: lego-robotics@crynwr.com
Subject: Re: pwering the NXT
danny staple wrote:
> On 08/01/06, Chris Magno <cmagno@rogers.com> wrote:
>
> > Brian Davis wrote:
> > We dont know if it was taken out due to cost, OR due to the number of
> > problems it had caused there customer service dept.
>
>
> > I recall several posts from people claiming to have fried there units
> > because they had plugged some non-acceptable power source into the • rcx.
>
>
> There is soemthing about that seems very, very likely. What they could
> do is a moulded, polarised connector, something that is their own, but
> not too hard for a real tinkerer to copy if they wanted to, and make
> sure the spec is well known. That way, those who have tinkered and
> broken it have gone out on enough of a limb that they are aware of the
> possible risk.
>
> I like the idea of the possibility that the NXT could be powered
> through the USB port. I dont know that it is, but that really would be
> a great feature. A feature which a hacker might also be able to use to
> supply power via batteries if need be. I have a USB spec book
> somewhere - I will have to check, I know that it has something about
> the initial host supplying low current until negotiation has occured,
> and then allowing higher current draw.
> --
> Danny Staple MBCS
> OrionRobots
> http://orionrobots.co.uk
> (Full contact details available through website)
Oddly enough, have you seen this:
http://www.firstlegoleague.org/default.aspx?pid=21400
Half way down it says that the NXT will have a:
Rechargeable battery system
Will the "battery system" be a preshrunk battery pack with some
connector on it to plug into the NXT? Could a hacker then find that
plug and plug a wal wart INTO the nxt?
Chris
YA, and while I'm wishing, maybe I can get the NXT to generate next
weeks lotto numbers.
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