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Does the USB receive constant power?

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Muddyhardcore
last edited by

I tried soldering a 5v fan to the underside of my Raspberry Pi 3 at the + & - connections of one of the USB ports and the fan only turns on occasionally. I thought it would constantly receive Power.
Pi 3, Retropie 4.2.7, 128GB SanDisk SD , CanaKit 5.1v Power Supply, 8bitdo NES30,
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edmaul69 @Muddyhardcore
last edited by edmaul69

@Muddyhardcore usb's always have to be on while the system is on. Otherwise they couldnt detect new devices.
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