Subject:
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Re: RCX Blowed up?
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Newsgroups:
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lugnet.robotics
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Date:
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Tue, 31 Oct 2000 21:49:51 GMT
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Viewed:
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782 times
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Rik Bos wrote:
> "Eelco Kooiker"wrote:
> > What is wrong with my RCX? When I remove the batteries and wait some • hours,
> > will it work then? (I hope)
> > Are there anymore people who has this problem? Is it fixable? Or do I have
> > to buy a new RCX before saterday?
> >
> > Regards, and still hoping,
> >
> >
> Al rihgt ,
> something about powersupply's,
> The vallue written on a AC (alternating current)powersupply is the
> effective-value (that means its the amount of energy of it) .
> When AC is rectified and become DC after the rectifierbridge ther is a
> condensator (elco) for filtering out the ripple (120Hz or 100Hz in Europe)
> the it's truely DC and the we are talking about the top-value (amplitude) of
> the AC-voltage.
> Are you following me ?
> This means that the DC-voltage is 1.41 (square root(2)) higher than the
> effective-value.
> Sample 12V AC becomes 12 * 1.41 = 16.9V DC minus the voltagelost over the
> rectifiers (diode's) 2 * 0.7V = 15.5V.
> The core of the RCX is working on 5V that means that the power regulator
> must "eat " 10.5V !!
> If you chose a AC-powersupply the take one with a outputvoltage from 8 to 9V
> AC (8V is better you have then about 9.8V DC)
>
> Regards
> and hoped to cleer out somethings about this.
>
> Rik Bos
Doesn't Lego Sell the same power adapter for RCX as they do for Trains?
I've been using that one with no problems so far...
Dean
--
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Message has 2 Replies:
 | | Re: RCX Blowed up?
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| "Dean Husby" <wrote : (...) Europe) (...) (amplitude) of (...) the (...) to 9V (...) I don't know the specs of the Lego-adapter but I suppose that the continantal(Europe) adapter difference from the american one's because they(Eur.) work with a (...) (24 years ago, 31-Oct-00, to lugnet.robotics)
| | | Re: RCX Blowed up?
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| Lego never sold a power adapter for the RCX in the US. You can get one from the Dacta division, through Pitsco Lego Dacta. At one time it was physically different from the adapter found in the Trains sets. The current Dacta catalog shows one that (...) (24 years ago, 31-Oct-00, to lugnet.robotics)
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Message is in Reply To:
| | Re: RCX Blowed up?
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| (...) hours, (...) Al rihgt , something about powersupply's, The vallue written on a AC (alternating current)powersupply is the effective-value (that means its the amount of energy of it) . When AC is rectified and become DC after the (...) (24 years ago, 31-Oct-00, to lugnet.robotics)
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