Using GPIO to change Subwoofer low pass frequency?

DIY Products&Projects
#1

Is it possible to use rotary encoder, potentiometer, push buttons connected to GPIO pins to change low pass frequency or to cycle trough multiple EQ presets?

I would like to use amp v.4 to power a subwoofer and to be able to change sub frequency with rot. Encoder just like on sub amp. (Existing up2stream Sub Amp does not have inputs or ADC keys. )

ACP workbench documentation is missing this detailsā€¦

Any smart idea is welcome :grinning:

#2

@zpl1025 Happy Year of the Tiger Frank :slightly_smiling_face:

#3

Thanks, :slight_smile: Happy new year of tiger.