Based on the "oversized MEDIA CONTROL volume knob" from Josef Prusa: https://blog.prusaprinters.org/3d-print-an-oversized-media-control-volume-knob-arduino-basics/
The case was completely rebuilt.
I added two buttons: PREV and NEXT, reduced the size of the volume button.
I use small button from Aliexpress
I used a breadboard to place the parts