I need to run a stepper at variable rpm. I have a stepper driver. I was previously using a digital output but the frequency does not go fast enough. I would like to use a pwm output but I am having trouble to find out how to do this. I seem to always see duty cycle, but not control the frequency. I…

PWM Control (For Stepper)

CrossRoads April 17, 2014, 8:04pm 2

It is not that hard:

playground.arduino.cc/Main/TimerPWMCheatsheet
http://
and I think here too