- Pillow
- lglcdlib
- Logitech keyboard with monochrome display
- Remove keyboard-specific code to make it work otherwise
- Set the path to your nircmd.exe
- Type in the names of your sound devices to the
sound1
,sound2
, ... variables
I made the fourth button to toggle mute for my Switch sound input. You should just change the code for your needs, you have the examples.