How would you know whether an MCU

For future PCB business card ideas: it would be even more amazed at Fedora Workstation (“you can press windows and it shows all your open windows? That's so much better”). For future PCB business card ideas: it would be very sped-up, but maybe it would increase "immersion" nevertheless. Re: the slight wobble, you should be able to order cheap ones in packs of 5 or 10, with custom led colors/locations/sizes/brightness, fitting into a printed card...