Øyvind Nydal Dahl has lots of good resources on his website and mailing list. https://www.build-electronic-circuits.com/category/basic-electronics/ https://www

Øyvind Nydal Dahl has lots of good resources on his website and mailing list. https://www.build-electronic-circuits.com/category/basic-electronics/ https://www.build-electronic-circuits.com/category/basic-ele... His mailing list is high quality but also high volume