Ahem A Rivet's Shot  wrote:
> On Sun, 21 Jun 2020 11:24:52 +0200
> Deloptes  wrote:
>
> > Chris, you are again mixing up things. The one thing is the power supply
> > (we are talking about) the other thing is the USB port on the device -
> > here you are right it would supply about 0.5A
>
>         No he's not, he is pointing out that cables made to spec for
> USB-2.0 may not be able to carry more than 0.5A because they don't have to
> and therefore will likely cause problems if used to power a Pi no matter
> how good the supply. In this he is quite correct - although it took me a
> while to grok the point he's making.
>
Yes, exactly!  Sorry if my original comment wasn't too clear.

... and, as I said, when I tried some of the many USB micro-B cables I
have only a minority were able to power my Pi 2 satisfactorily even
though the power supply was more than capable.

--
Chris Green
·

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