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Re: USB 802.11 adaptor

On 17/03/2013, at 9:17 PM, Jochen Kunz <jkunz%unixag-kl.fh-kl.de@localhost> 

> The problem isn't total power consumtion, but short peaks that exceed
> the max. 0.5 A for USB. This happens e.g. on sending a packet.

I use a DEV-09717 USB to Serial cable from Sparkfun to power my RPI. The cable 
has 5V Vcc and 3.3V I/Os which matches the voltages used for the GPIO header. I 
just re-arrange the sockets on the end of the cable to match the RPI and plug 
it in. I have the USB connector plugged in to a high power port on a USB hub so 
that I can be sure that I have some reasonable current available. The 5V Vcc 
pins on the GPIO connector are pretty much the same as the 5V power input, 
except that they bypass the 1.1A polyfuse. 


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