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Channel: What's the problem with backfeeding? - Raspberry Pi Stack Exchange
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Answer by JamesJones for What's the problem with backfeeding?

YES YOU CAN! BUT.... here is what you have to do for it to work out. First off, you can't power-on the Pi2B just over a USB-Hub for example. You always need to start it up using the classical method...

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Answer by Subrosa for What's the problem with backfeeding?

I have a pair of A+ units: Type: Model A+, Revision: 1.2, Memory: 256MB, Maker: Sony These seem to backfeed just fine from my USB hub. I've had them running for sometime without issue. My model Pi2 in...

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Answer by joan for What's the problem with backfeeding?

There is only a problem if you have two 5V supplies fighting with each other. I quite often back power early model Pis, but if I'm doing so I don't also power via the expansion header or the microUSB...

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What's the problem with backfeeding?

New to the Pi, so new in fact that my very first (a B+) hasn't even arrived in the mail yet... I know that "backfeeding" or "backpowering" refers to powering the Raspberry Pi via a powered USB hub...

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