Hello everyone! I’m Franco from Buenos Aires, Argentina. I’m just finishing the shredder and now I want to build the injection machine. The problem is that the digital controllers cost  two times more than de anallogic ones. For example the digital one cost about ten dollars and the analogic 5 dollars. For me is a lot of money. So I want to hear any experiencie with anallogic controllers and if it’s reccomended. Thank you!!