I heve an idea. By using just four npn transistors you should be able to detect even slow movements. But this works best if the stepper has a rated voltage being as high as possible - 24V is good.
But then again - problem is that it will probably be too sensible or that it can miss a movement.
I heve an idea. By using just four npn transistors you should be able to detect even slow movements. But this works best if the stepper has a rated voltage being as high as possible - 24V is good.
But then again - problem is that it will probably be too sensible or that it can miss a movement.