Ecoders directly to the GPIO of the Pi 4?

Many thanks,
I partially solved. The problem is the display pins. By connecting an HDMI monitor everything works except encoder A.

I did it!!! I moved some pins of the encoders, I remapped on Web conf and the display now works … !!!
Thank you very much everyone for the technical and moral support.
Time to print the container and I will post an audio file with sound…
In the meantime, place the newly printed front panel …

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Has anyone tried to mount the Pimoroni fan?
Does it create noise?
Thanks


P.S.
It doesn’t seem to cause any noise…

I connected Zynthian to an M-Audio fast track sound card that I could no longer use in the recording room as it is obsolete … and it works great. Great sounds. There is no need to change the sound card on the raspberry, because it automatically takes the place of the other … very well