Here is our final post regarding our project. We published an instructable where you can find all the information you need to make your own automated 421 !
It is right here : https://www.instructables.com/id/Automated-Dice-Game/
You can also check Joachim’s final overview of our project out here : https://www.youtube.com/watch?v=OgyipvhIAhA&feature=youtu.be
Finally, we made a video to introduce you our full project, you can find it here :
We hope you will enjoy playing 421 with your friends, see you soon !