Automated Beermachine. Hello world, a few weeks ago I decided to upgrade my homebrewing setup form bottling to kegging. In this process, I decided I wanted to make the dispenser automated. Also with a payment system. The intention of the payment system was not to earn money, but just as a challenge to myself. In the end, it turned out working very nicely.At first I wanted to make the whole system mechanical, because I study mechanical engineering, and have no experience with programm...