- All About Circuits, free electronic tutorials, and their forum is very popular.
- EDN, an electronic design engineering magazine, many professional engineer share their knowledge there, also many news about latest technology.
- TSAN Electronics, Find Electronic parts including semiconductors, capacitors, integrated circuits, laptop batteries and computer logic boards from Tsan.
- Printed Circuit Board Fabrication, multilayer printed circuit board fabrication out of Phoenix, Arizona. Call or email them today for a quick PCB quote.
- EEWeb Electrical Engineering Community, a place where you can participate in discussions, ask questions of the community or of subject matter experts and learn about new products and the latest innovations.