Hi everyone,   To briefly introduce myself: I'm a 35yo guy living in New-Caledonia which is a small French island lost in the pacific. (So once and for all I do apologize for my English :poke:) Because I'm far from everything I decided to create my own controller based on this awesome Midibox NG. I have some knowledge in electronic and computer code from my old days in school.   I started the design but I face some questions that need a little of your experience.   Here the general needs