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Sensing a USB device plugged in without having to supply 5 volt power all the time

I am designing a device using the PIC32MX795 processor that will act as a USB host. Since it is a battery operating device, I would prefer to not supply 5 volts all of the time on the USB port (the ...

asked Oct 27 '11 at 18:45

tcrosley
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Sensing a USB device plugged in without having to supply 5 volt power all the time

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