Most of the time you'll probably run into issues, most USB ports on TV's support the standard power specs for USB...basically 5V @ 500mA. It's recommended to use 750mA minimum for the Pi. Another problem I've see is some TV's won't activate the USB port until you selected it the TV's video menu, then when you go back to the HDMI port the TV turns it off again USB port. My brand new TV does just that, so I speak from first hand experience.cursor2000 wrote:conflicting reports that a standard-issue LCD TV can power the Pi with its USB port. Has anyone had any experience with this? It would be a nice option to be able to attach the Pi to the rear of a flat-screen TV, connect it via HDMI and control it via a mobile device so it's nice and tidy. That's the plan anyway!
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