Dennis Lee Bieber wrote:

> On Tue, 12 Jun 2018 21:23:25 +0100, mm0fmf  declaimed
> the following:
>
>>
>>When my meter leads are unconnected the meter registers 0V. Does that
>>imply both leads are also at 5V?
>
> No... Only that both are at the same potential... And unless the RPi is
> seriously damaged, one can probably assume that the 5V pin IS at 5V, so a
> 0V differential means the GPIO is also at 5V.

Still not correct.

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