Scania Opticruise Gear Lever with Retarder Brake working on ETS2

Scania Opticruise Gear Lever with Retarder Brake working on ETS2. I used Arduino with a circuit and made the code to be used together with SimHub. Follow the video link on my YouTube channel with all the details, connection diagram and code for those who want to do it too:

The language of the video is Portuguese, but when watching it is possible to understand the whole process and in the description of the video there is the link to download the code I made.