This Mozzi based Arduino VCO sounds really great. Link to the original project page: Here Hagiwo’s code: Important to note is that you’ll need the MOZZI Arduino Lib to get this to run. #include <MozziGuts.h>#include <Oscil.h>#include <tables/cos2048_int8.h> // table for Oscils to play#include <mozzi_fixmath.h>#define CONTROL_RATE 256 // Hz, powers of 2 are most reliableOscil<COS2048_NUM_CELLS, AUDIO_RATE> […]