Controlling Stepper Motors Using Power IO Wildcard, C Library Functions and MOSFET Drivers for Four-phase Six-wire Unipolar Permanent-magnet Stepper Motor
How does the number of stator phases affect stepper motor performance?
How does the number of stator phases affect stepper motor performance?
Stepper Motor Theory
Tutorial: The Basics of Stepper Motors - Part II
Bipolar Stepper Motor: What is it? (Circuit And Sequence) | Electrical4U
Stepper Motors - 2-Phase vs. 5-Phase Hybrid Stepper Motor Comparison