All of these boards seem to expect 3 or 4 signals of which I expect 2 or 3 will be static state signals like direction control and sleep mode, one which will be a string of pulses. Thus I want to know how to drive the controller boards as I get started with this project. Overall, I prefer to build a project one section at a time and then integrate the sections. Thus to run a bipolar stepper, I need both sides of the bridge to work together to produce the sync'd driving pulses. And for some of these boards look to be dual H bridge systems. Plus the overlap phasing between the A coil & the B coil signal. static state (Hi or Lo), pulses for triggering the driver chip, analog shaped, digital, pwm, just pulses, etc. I want to understand the signals that are needed and what they look like, i.e. However I have not found a visual description of the signals that are expected by the motor control boards. There are various motor controller boards available including one from Adafruit designed to interface with Arduino main boards. I need some help in understanding the signals that are required to operate stepper motor controllers.
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