Subject:
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Re: Sign of center pin on power adaptor
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Newsgroups:
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lugnet.robotics.rcx
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Date:
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Tue, 10 Jul 2007 20:43:26 GMT
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Viewed:
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13467 times
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In lugnet.robotics.rcx, Dean Earley wrote:
> Ross Crawford wrote:
> > In lugnet.robotics.rcx, Tom Lohre wrote:
> > > I am looking for the sign of the center pin on the RCX 1.0 power adaptor plug. My robot painter is coming along: http://tomlohre.com/lego.htm.
> It's the same PSU as used for the 9V train controllers.
I now have a Dynamic Instruments 16VAC 375mA, AT&T AC 9V 800mA, and a Black &
Decker 9V 200mA from a Dust Buster but it does not say if it is DC or AC, I am
assuming AC. Which one should I use? I am hoping the AT&T but the 800mA makes me
a little cautious. I can't afford to fry my RCX. Thanks for all the help. Tom
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Message has 3 Replies:
 | | Re: Sign of center pin on power adaptor
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| (...) _ALWAYS_ assume DC on an actual power adapter (at least in the US). Most AC devices will just use a simple cord, like you'd find on a portable stereo. A handful of devices will need AC power in a non-standard voltage and will use DC-like power (...) (17 years ago, 10-Jul-07, to lugnet.robotics.rcx)
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