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=== H-Bridge and bipolar Stepper Motor === | === H-Bridge and bipolar Stepper Motor === | ||
Bipolar wiring of a stepper motor requires changing the current flow direction through two coils which can be achieved by two H- | Bipolar wiring of a stepper motor requires changing the current flow direction through two coils which can be achieved by two [[H-Bridge]]s. Each H-bridge has an input to enable / disable current flow and one to determine the current flow direction. This needs 4 data lines. | ||
=== Stepper motor driver and bipolar Stepper === | === Stepper motor driver and bipolar Stepper === | ||