HackSpace Magazine Issue 72 writes about making music on a Raspberry Pi Pico:
Most microcontroller programming environments have a way of making beeps, and even if there’s not an in-built method, it’s a pretty simple thing to do – just flick a pin on and off quickly (but not too quickly) and you have an audio signal that you can send to a speaker, headphones, or other audio devices.
CircuitPython, however, has just gained a complex audio synthesis module called synthio. This lets you not just create beeps and boops, but control these sounds in a variety of ways.
We’ve only really scratched the surface of what you can do with synthio here. It’s a hugely powerful system for creating music using microcontrollers. There’s a more in-depth introduction online at hsmag.cc/synthiofundamentals.
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