DIY Electronic Synth

I've been using mozzi to make a synth.

https://sensorium.github.io/Mozzi/

something simple:

https://sensorium.github.io/Mozzi/examples/#01.Basics

IUt was easy enough with the Arduino UNO . It has a DAC

I have a several; esp32 c3 which do not have a dac, and so I ask is a DAC requisite?

I need to learn some.

I'm reading:

https://diyelectromusic.com/2024/05/07/selecting-microcontrollers-for-music/