On Sunday, 20 December 2020 11:46:27 GMT Ralph Corderoy wrote:
> Presumably, the double-reboot changes something about the Pi which isn't
> stored on the SD Card so an identical copy of the SD Card in another Pi
> which hasn't been modified in the same way doesn't function properly.
I suspect you
Hi Terry,
> I fixed this by re-installing everything from scratch instead of
> basing the installation on a copy of the SD Card for the working music
> player. There is a warning in the instructions for the Adafruit
> Bonnet that it is necessary to reboot twice to get alsamixer to work,
> but
On Friday, 18 December 2020 12:41:27 GMT Terry Coles wrote:
> amixer: Invalid command!
>
> After this failure alsamixer has no control over the volume level. However,
> once the amixer command is working so is alsamixer.
I fixed this by re-installing everything from scratch instead of
On Friday, 18 December 2020 14:12:00 GMT Hamish McIntyre-Bhatty wrote:
> Print out the exact commandline of:
>
> ['amixer', '-c', '0', 'set', 'PCM', 'playback', nave_vol]
This happens on the command line too if I issue:
amixer -c 0 set PCM 70%
(The var nave_vol contains 70%.)
Also, I'm
On 18/12/2020 12:41, Terry Coles wrote:
> Hi,
>
> Some of you are aware that I've been re-engineering the Minster Bells and
> Music Player at Wimborne Mode Town. Amongst other things I split the
> functionality into two Pis (the original Pi 3 and a Pi Zero); both are
> equipped with an
Hi,
Some of you are aware that I've been re-engineering the Minster Bells and
Music Player at Wimborne Mode Town. Amongst other things I split the
functionality into two Pis (the original Pi 3 and a Pi Zero); both are
equipped with an Adafruit Stereo 3 W Amplifier Bonnet:
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