I have setup Argon One V3 nvme case among with Argon BLSTR DAC for my pi 5. Everything is seemingly working fine. But when I try to play with GPIO pins for small hobby projects (using python gpiozero library) sound is gone and cannot be restored without a restart. I suspect that the BLSTR DAC is allocating a few GPIO outputs for itself, but I cannot find which. Are there any specific pins I can avoid in order to work with sound?

Because there are some parallels to HiFiBerry devices maybe this list helps:

To not collidate with already used GPIOs, it could be better to use lgpio Python or libgpiod instead of gpiozero.