EEWeb

This is the trusted site for the creators of electronic devices and products ranging from integrated circuits to printed-circuit boards to entire systems. In addition to providing a suite of free design, verification, and analysis tools, EEWeb is the home for experienced and novice designers alike to ask and answer questions and to share tips and knowledge. This peer-driven, interactive site includes a forum of multiple discussion threads; a jobs board; an events calendar; technical communities; a library of projects; and a wealth of articles on electronic design tools, tips, techniques, and technologies.