Hi! Newbie and really bad at electronics. Have a question: I have a Minebea Pm55L stepper motor. It has 6 wires and I'm suppose to figure out what goes where. I've read the Arduino tutorials for unipolar stepper motors, but it doesn't mention anything of the sort. Could somebody please help? Thanks!
Use a resistance meter and measure what resistance you see between each wire. From that you can see the center tap in the coil. Connect both center taps together and this is the common point for the coils.