Complete vMix Controller files (with library) :
To upload Hex Files, download this files first :
Hex Files (compiled version):
Why .hex? not .ino? so you can uploaded it without need to set the Arduino IDE library (or else). Simple… Just Download & Upload to Arduino Pro Micro…
The Tally Lights doesn’t need External library, so its .ino, not .hex
How to use Arduino Builder / how to upload . hex to arduino?