
http://www.electronics-tutorials.com/ba ... ronics.htm
http://www.electronic-circuits-diagrams ... ials.shtml
http://members.tripod.com/RoBoJRR/basics.htm
http://www.techlearner.com/
http://icc.skku.ac.kr/~won/electro/basics.html
...
Ако дадеш мейл мога да ти пратя някои книги.