Yep, a while back I got to use a Behringer X32 where you could control the volume faders remotely with an app on your phone and thought "Why don't all smart controls work that way?" Smart features, but you retain the advantages of physical, tactile controls.
Looks crazy when you have a big audio mixer full of these things: https://www.youtube.com/watch?v=RPXeULcDa5w
A little DIY one: https://i.imgur.com/GnEzaKl.mp4