Ok I have been debating making my own CNC table recently. I am looking at the step
genie IC chip to drive some stepper motors I plan to steal from all the old printers I have laying around. Now if i was doing this at work I would have access to some old laptops with parallel ports but my home laptop is too new to have one. What can I use to set a bunch of pins (15+) hi and low at will? 3...