Subject:
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Re: RCX 1.0 polarity
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Newsgroups:
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lugnet.robotics
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Date:
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Sun, 15 Jul 2001 05:04:18 GMT
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Viewed:
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1555 times
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In lugnet.robotics, Shane Seward writes:
> Hi!
> Does anyone know the polarity of the center pin for the AC jack on the
> RCX 1.0? Many thanks!
> Darc.
Um. None required. Um. Need to study AC current first. Um...
AC doesn't have a polarity (well, it does, but it changes every 120th of a
second...). Therefore, it doesn't matter _what_ polarity you put on the center
pin. And, since there is a bridge Rectifer(1) on the board, either polarity DC
pin will work too.
(1) However, with DC, one is only going through 1/2 of the diodes...therefore,
it is probably better to run the RCX on AC as imput rather than DC :) Of
course, if you do fry the bridge, the battery system will still work...then you
woul have the eq. of a 1.5 :)
James Powell
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Message is in Reply To:
 | | RCX 1.0 polarity
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| Hi! Does anyone know the polarity of the center pin for the AC jack on the RCX 1.0? Many thanks! Darc. (25 years ago, 15-Jul-01, to lugnet.robotics)
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