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Re: [linux_var] Nuovo Raspberry
- To: linux_var - LUG di Varese e Provincia Mailing List <talking@ml.linuxvar.it>
- Subject: Re: [linux_var] Nuovo Raspberry
- From: Gianni Carabelli <giannicarabelli@gmail.com>
- Date: Thu, 17 Jul 2014 12:00:58 +0200
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On 07/17/2014 11:33 AM, Giovanni Orlandi wrote:
> già visto, purtroppo pare che non hanno risolto la pecca + grossa,
> quella dell'alimentazione USB limitata.
> In particolare a me servirebbe spesso attaccarci le chiavette 3G
>
> e per fare questo ho bisogno di associarci un HUB USB Esterno auto
> alimentato
> (che al momento alimenta anche la raspberry <in loop>)
>
> Non capisco perché non collegano direttamente l'alimentazione USB
> che arriva alla RaspBerry con quella delle porte, così basta dimensionare
> correttamente il primo alimentatore (tipo 5v - 4A) e risolvi i problemi...
>
Perchè così andrebbe sicuramente fuori dallo standard usb 2.0 che
permette amperaggi più ridotti:
http://en.wikipedia.org/wiki/USB
JohnnyRun
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