On 24/01/18 17:04, Dennis Lee Bieber wrote:
> On Wed, 24 Jan 2018 11:39:35 +0000, RobH  declaimed the
> following:
>
>
>>  From the list there are just 6 pins which read 1, and where the
>> voltages were 3.23 - 3.27 volts
>>
>> Those pins are
>> Physical pin no.
>> 13 29 33 37 22 32
>>
>> Now I am using pin no.32 which gives 3.24V, and the led lights up when
>> set to (GPIO.HIGH), and goes off when set to (GPIO.LOW).
>
>  That is an intriguing set... Besides none of them being adjacent on the
> header, the corresponding chip GPIO numbers are also scattered about --
> which kills my hypothesis that a "block" of GPIOs might have been damaged
> en-mas. But worse, a read of the BCM2835 Peripherals manual implies all the
> exposed GPIOs are from one chip block, so even a "dead block" concept is
> void.
>
>  Figuring out if the "alternate functions" for some of the dead pins are
> usable is beyond discussion... Header pin 11/GPIO17, for example, has
> alternate functions: SD9 (secondary memory data bus), UART0 RTS, SPI1 Chip
> Select 1, and UART1 RTS.
>
>  Other than that -- it may be time to consider a second RPi...
> (Something I should do myself -- I have spares for BBB, TIVA C [all three
> models], Arduino, ancient over-priced BASIC Stamps, and even Propeller
> boards).
>

Actually I do have another pi3 but it is being used on another project,
in that it streams music from my PC to a speaker in another part of the
house. I was going to swap the sd cards over on them to use.

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