“Mozzi mono Synth is an Arduino based synthesizer. Wave form are generate by PWM.
The synth has one “oscillator” with 4 wave form (saw, sine, Square and triangle), one low pass filter with 12db resonance, one Lfo who control the Cutoff with different wave form and one simple AR envelop.
All of this can be change in the code.
You could add more parameter.”
Have a look at https://www.e-licktronic.com