> I you want a really accessible diy synth project

On that vein, I just started building my own analog synthesizer from scratch, and found this YouTube series which is very beginner friendly and with lots of explainations even for us who don't have much hardware experience: https://www.youtube.com/watch?v=QBatvo8bCa4

The circuit after part 3 already sounds good enough to be used in real projects, yet it's simple enough to fully understand.