HEATKEYS

Extensive database for electronic projects, providing circuit diagrams, schematics, printed boards and much more. If you are an electrical engineer or a hobbyist, there is something here for you.

Tasel.net is all about electronics schematic diagram, wiring diagram, PCB etching, electronics component, remote diagram, regulator diagram, switching, transistor, IC control, light control, resistor.

Where circuit diagram and schematic wiring stay for you

Music From Outer Space is the most informative synth-diy site on planet earth. Music From Outer Space helps you learn to make your own analog synthesizer.

The global leading datasheets search engine designed to help all electronic designers over the world find the datasheet ,circuits and pinouts.

International Electronic Discussion Forum: EDA software, circuits, schematics, books, theory, papers, asic, pld, 8051, DSP, Network, RF, Analog Design, PCB, Service Manuals

List Threads - www.edaboard.com

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Instructables is the Biggest How To and DIY community where people make and share inspiring, entertaining, and useful projects, recipes, and hacks.

Phoenix Audio Technologies is an innovator of audio communication solutions for Voice Over IP (VOIP), Web Conferencing, Distance Learning and Videoconferencing applications.