I've been getting into this over most of quarantine and have successfully imitated this guy's tutorials (just had to swap out the microcontroller): https://www.youtube.com/watch?v=C7-8nUU6e3E

If you don't know EE basics you'll probably want to grok those first, there's plenty of youtube channels covering it. Good starter: https://www.youtube.com/watch?v=mc979OhitAg&list=PLWv9VM947M...