Subject:
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Re: AC Adapter Specs?
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Newsgroups:
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lugnet.robotics
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Date:
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Mon, 25 Jan 1999 01:31:25 GMT
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Original-From:
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Sam Edwards <sam_guy@{Spamcake}geocities.com>
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Viewed:
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2804 times
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> > I don't want to tread on anyones toes, but.......
> >
> > I agree that the current rating cannot be too large for a regulated • supply,
> > but for an unregulated supply this is not the case. The Maplin catalogue
> > has this to say about an Unregulated 800mA power supply:
> >
> > "The unit is not stabilised and therefore at low current drains, the • voltage
> > can approach double the full load voltage"
> >
> > Jaspers suggestion of 800mA may well be fine, but I'd be very cautious • about
> > connecting my RCX (or anything else) to an unregulated supply with a • large
> > current rating.
> >
> > Apologies if this only confuses matters, but I thought I'd better add a • word
> > of caution.
> > Jim
> O.k. Now I'm starting to be a little concerned.
>
> Not to dispute what anyone is saying but I've been hearing a lot of
> variations to this question. Has anyone found specifications that Lego
> has posted anywhere about the recommended adapter for the RCX? Has
> anyone contacted The Lego Group about it? I've been searching every
> possible resource but I have yet to find any information about it.
>
> I also find it odd that Lego didn't supply an adapter with Mindstorms or
> that their web page does not provide specs for it.
>
> It may seem like a trivial concern but if there is even the slightest
> chance of frying a $100 RCX with a $10.00 adapter, I think it's worth
> getting the proper specs.
>
>
> Pete
I have successfully run (and not fried) the RCX with a 9v 300mA adapter.
Works fine.
----------------------------------------------------------------------------
---------------
Sam Edwards
"On the keyboard of life, always keep one finger on the escape key."
--
Did you check the web site first?: http://www.crynwr.com/lego-robotics
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