What type of motor is this?
I·have several 12V 400mA stepper motors I want to use in some projects but not sure exactly what type of motors these are.· According to the spec these are unipolar and CW rotation series is performed in 4 stages (yellow + brown, yellow + black, orange + black, orange+brown) but this combination doesnt work.··Instead I discovered alternating orange & yellow rotates correctly CW while alternating black & brown rotate CCW.· Can someone tell me what type of motors these are and where to find a decent driver for them?