Octavi control

I really want one of these. https://www.octavi.net/, but there is no forecast of when they’ll be ready. I was thinking of building one using adruino, but don’t know where to start.
I like the idea of one knob that changes functions, like knobster.

Check out this Discord, I’ve made a hybrid version for VR, cheap to make using MobiFlight Discord

That link doesn’t take me anywhere. I am logged into discord Geberhold#6700