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(...) Whoops, I missed that there was a third option. I concur with this, as it's both the right voltage and confirmed AC. The mA rating, BTW, is a capacity rating, so it will work for anything that draws 800mA or less. The NXT adapter is rated for (...) (17 years ago, 11-Jul-07, to lugnet.robotics.rcx)
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| | Re: Sign of center pin on power adaptor
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(...) All my train PSUs are 10V AC, but are rectified and regulated to a nice 9V internally. (17 years ago, 11-Jul-07, to lugnet.robotics.rcx)
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| | Re: Sign of center pin on power adaptor
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Usually AC will either say AC or have a ~ symbol. DC will either say DC or have a symbol that looks like = or _-_ -Rob A> (...) (17 years ago, 10-Jul-07, to lugnet.robotics.rcx)
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| | Re: Sign of center pin on power adaptor
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(...) The AT&T 9v AC 800mA supply sounds just about right. (17 years ago, 10-Jul-07, to lugnet.robotics.rcx)
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| | 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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