CV/Gate input/output

@magneticstripper,
What SD-image are you using? Latest SD-images shouldn’t have this conflict because the HifiBerry soundcard driver has dropped the support for the headphones amplifier.

Regards,

No red error message on the screen, but the 4728 is blocked if i boot with the hifiberry enabled.

Thanks guys! i will send a report on how to do this with an arduino, for future reference.