I would like to have real-time speed control of a stepper motor using a PWM signal. Basically, I want to be able to control the speed of the stepper motor rotation using an RC controller. The RC receiver sends a PWM (varying duty cycle) to a pin on the Arduino. The Arduino should then map that varyi…

Impossible to vary square wave FREQUENCY output based on a PWM input?

trentonp September 3, 2021, 4:12pm 16

You are 100% correct. Thanks for calling me out on this mistake.

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