So in an effort to control the stepper motors more accurately I’ve invested in some Pololu Stepper motor driver carrier boards. This gives 2 advantages over a traditional H bridge arrangement,
- Micro stepping,
- Current limiting.
Using the diagram from here but with a few changes, I pulled ms1,2,3 to high to enable a resolution of 16 microsteps, and wired it to an Arduino for control.
#define stepPin 2
#define dirPin 3
#define enablePin 4
this simple code allowed me to achieve around 3.8 revolutions per second, or ~230rpm. Which is a lot more than in full stepping mode without jumping.