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 03:21:01 GMT
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Viewed:
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12773 times
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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. I
> have a DC 9v 200ma transformer and want to plug it into the RCX but I do not
> know what the sign is on the center of the plug. It looks like the rush on
> buying the old RCX’s evaporated with the end of the school year. I imagine all
> will be going to the new NXT. That will sure make the old units cheap. My Lego
> robot painter is coming along: http://tomlohre.com/lego.htm.
The RCX 1.0 uses a 10V AC supply. It has a bridge rectifier, so you can use DC
9V (orientation doesn't matter). But I wouldn't recommend it as there have been
reports of burnt out rectifiers from people doing that.
Hope this helps,
ROSCO
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Message has 2 Replies:
 | | Re: Sign of center pin on power adaptor
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| (...) I once came across a box full of old wall wart power supplies at a rummage sale and after digging through it for 10 minutes or so I found three that had 12V AC and the correct plug for the RCX. They work perfectly and I think I paid about $1 (...) (17 years ago, 10-Jul-07, to lugnet.robotics.rcx)
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Message is in Reply To:
| | Sign of center pin on power adaptor
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| I am looking for the sign of the center pin on the RCX 1.0 power adaptor plug. I have a DC 9v 200ma transformer and want to plug it into the RCX but I do not know what the sign is on the center of the plug. It looks like the rush on buying the old (...) (17 years ago, 10-Jul-07, to lugnet.robotics.rcx)
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