Chunky analog synth sounds from your guitar fretboard. Try it live: https://stewartsmith.io/darkwave
As you add / edit / remove oscillators to your setup you’ll notice the URL hash value update accordingly. For example:
…#square,0.5,0.8;triangle,0.75,0.2;sine,1,0.3
This means you can bookmark and share your setup just by copying and pasting the URL.
Sure, you can use Darkwave with your computer’s built-in microphone, but you probably want to plug your guitar in, eh? Here are two cheap-ish products you might need.
Guitar to USB-A adapter ($16):
https://www.amazon.com/gp/product/B089T7RSL1
USB-A to USB-C adapter ($9):
https://www.amazon.com/gp/product/B07CVX3516