well... 5vdc can use these 3USD freeshipping power supply
(100vac to 240vac)
http://www.dealextreme.com/p/1000ma-usb-power-adapter-charger-100-240v-us-plug-27524?item=62
(12vdc)
http://www.dealextreme.com/p/universal-usb-power-car-adapter-1000ma-688?item=2
(12-24vdc)
http://www.dealextreme.com/p/usb-car-cigarette-lighter-car-charger-white-12-24v-106636?item=12
better than doing a power supply with transformers and 7805 (at least for
digital circuits)
2012/6/25 Michael Markstaller <m...@elabnet.de>
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>
> On 25.06.2012 15:44, p4trykx wrote:
> > W dniu 25.06.2012 o 15:23 Ákos Gábriel <akos.gabr...@gmail.com>
> > pisze:
> >
> >> Is it normal? Could you please tell me what the right jumper
> >> setup would be?
> >
> > Stabilizer gets warm it's normal.
>
> Normal? Sorry, I'd call it a design-time problem (or crap) if power is
> getting burned out on a 7805?!?
>
> Just my 5ct..
>
> Michael
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>
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Roberto Spadim
Spadim Technology / SPAEmpresarial
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