Tone generation

I have used wiringpi before and it has a softTone() function to use one of the pin to generate a tone.
I ended up using this to generate a PWM signal which drives a stepper motor speed pin.

What would be best to used in processing for PI?

Thx for any advise.

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Is this what you are referring to?

yes. do you think this can work here too? :slight_smile: