Subject:
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Re: RCX and batteries
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Newsgroups:
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lugnet.robotics
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Date:
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Mon, 25 Nov 2002 21:44:26 GMT
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Viewed:
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953 times
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Bluey wrote:
> are you sure any polarity will work?
> does it have a rectifier(I think this is what I mean) built into the port?
>
> Timothy
>
> In lugnet.robotics, Nick Tarleton writes:
> > If you have a 1.0 RCX, use a power adapter when you can. 9-12V, any
> > polarity will do, even AC. I use a 12V, 500mA, negative-tip adapter from -
> > hehe - a K'Nex set.
I'm not sure, but it does have a voltage regulator, and I've *heard* it
works even with AC. (BTW, a rectifier meaning a single diode blocks current
going the wrong direction. A 4-diode rectifier bridge converts AC to
constant DC.)
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Message has 3 Replies:
 | | Re: RCX and batteries
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| Hi Guys , Just to let you know that the AC Power Adapter that LEGO supplies has an AC output voltage. You can even get 5mm plug and attach it to a 9V battery clip and use a standard 9V battery to power the RCX. It won't last long but it is a way to (...) (22 years ago, 25-Nov-02, to lugnet.robotics)
| | | Re: RCX and batteries
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| (...) [cut & pasted] (...) from - (...) [here it is] (...) port? (...) current (...) A 4-diode rectifier bridge converts AC to DC (and will sort out polarity problems), but it's not constant voltage DC (it's both halves of the AC sine wave above the (...) (22 years ago, 25-Nov-02, to lugnet.robotics)
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Message is in Reply To:
| | Re: RCX and batteries
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| are you sure any polarity will work? does it have a rectifier(I think this is what I mean) built into the port? Timothy (...) (22 years ago, 25-Nov-02, to lugnet.robotics)
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