Hi guys, I'm trying to solve a very specific problem in our company and after reading several tutorials I'm still not sure, how to achieve my goal. It would nice, if anyone can share his code or help me, however I will also to try to finish it and post the solution here.   Idea/Issue: We've upgraded a very old cutting machine with plasma cutter, however there is only a USB port on the device, therefore our colleagues have to go several times per day from office to workshop and swap flashdriv