On 23/04/17 09:27, Nick wrote:
> On 22/04/2017 23:25, D.M. Procida wrote:
>
>> I already have a Pi (and Pi Zero). The Pi and therefore the DVD player
>> can be powered from a USB port on the TV, and I'll also use the drive to
>> rip CDs into my MacBook.
>>
>
> I know I can run a Pi from the power provided by a TV USB but it wasn't
> clear to me that this set up would provide enough power to also run USB
> peripherals off the Pi.
>
> Have you checked the power provided by the TV USB port and the power
> required by the DVD? I would have naively thought that a DVD was quite
> power hungry.
>
>
15-30W peak seems to be what people quote. For internals. There is some
evidence that USB drives  spin slower and use lower power lasers and
cant burn so fast.

For playback, it could be quite a lot less.



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