u/mhddiy

I was experimenting with PWM frequencies and managed to make this small DC fan motor produce musical notes.
This motor and fan assembly are actually part of a much larger Arduino project I’m currently building, and this was one of the fun side experiments along the way.
I’d love to hear what you think, and if anyone has ideas for making the sound even cleaner or playing more complex melodies, I’m all ears!

If you’re interested in seeing the full project when it’s finished, let me know.