Subject:
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Re: Power inlet to RCX 1.5?
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Newsgroups:
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lugnet.robotics
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Date:
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Fri, 29 Dec 2000 13:51:06 GMT
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Original-From:
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Andy Gombos <gombos_2000@yahoo.ANTISPAMcom>
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Viewed:
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893 times
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You could use a voltage regulator at the adaptor output. You would not get
anything above the rated voltage, but I do not know about lower voltages.
Andy
Mauro Vianna wrote:
> Some people already discussed it in the past but I don't remember nobody
> saying that it was already done. I'm very interested in this matter also.
>
> One idea was do use a wire with aligator clips connected to the internal
> baterry connectors. You may need to cut the RCX box a little to leave space
> for the wire. The other end could be connected to a female jack so that you
> could connect an 9V AC adapter or a an external battery pack like the 9.6V
> NiCd pack used in RC toys.
>
> My main concerns are related to voltage variation. The external outlet at
> RCX 1.0 accepted an input from 9-12V, so it had probably a kind of voltage
> regulator internally. The battery case probably don't have such regulator.
> If you use a 9.6V NiCd pack, a single diode in series would reduce the
> voltage to 8.9-9V, which is acceptable.
> But if you use an AC adacpter, you should use a very good one that outputs
> exatly 9V. Most AC adapters aren't so reliable so you must take care. Yo may
> need some aditional circuit. Would a 9V zener diode solve the problem?
>
> Tips anyone?
>
> Mauro Vianna
>
> In lugnet.robotics, Tobbe Arnesson writes:
> > Hi!
> >
> > (No, I did not dig back in the news archive, perhaps I should? Can't
> > remeber seeing any final solution to this, a lot of questions about it
> > though)
> >
> > Has anybody mixtured with the RCX 1.5 to give it an power inlet like
> > the 1.0? At least the same function but not looks. Any pictures?
> >
> > I was thinking about doing this and I'd like others opinion before I
> > go ahed. It could come in handy. Perhaps some haux battery pack with a
> > cord to a transformator would be neat.
> >
> > Suggestions/ideas are very much welcome.
> >
> > Have a happy new year and lot's of new bricks :)
> >
> > /Tobbe in a Sweden that finally got some snow.
>
> .
>
> te first?: http://www.crynwr.com/lego-robotics
>
> .
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Message is in Reply To:
 | | Re: Power inlet to RCX 1.5?
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| Some people already discussed it in the past but I don't remember nobody saying that it was already done. I'm very interested in this matter also. One idea was do use a wire with aligator clips connected to the internal baterry connectors. You may (...) (24 years ago, 29-Dec-00, to lugnet.robotics)
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