edaboard.com

http://www.edaboard.com/
visit this forum

free-electronic-circuits.com

Free Electronic Circuits, a site dedicated to electronic hobbyists. There are many pages of quality information from actual electronics projects and electronics circuits that you can build, to electronic symbols and a glossary of technical terms. We also provide valuable information and links to design and simulation software.

learningelectronics.net

http://www.learningelectronics.net/

This site provides a series of online textbooks covering electricity and electronics. The information provided is great for both students and hobbyists who are looking to expand their knowledge in this field.