HEATKEYS

Electronic Ciruits portal of free electronic circuits, schematics, designs, or diagrams & other resources for engineers, inventors & students.

This blog includes innovative circuit schematics which can be built at home by the interested electronic enthusiasts. Designed by Swagatam

100+ small circuit diagrams for the hobbyist or student. Site includes, text descriptions, calculators, links to related sites, newsgroups, and educational areas.

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

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Hobby ideas, resources and information. A hobby is a great way to relax, gain experience and discover your hidden talent. Visit hobby-hour.com, and spend a quality hour with us.

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Scientific physics forums for professionals and students to discuss serious issues and topics regarding physics in theory, practice, study and reality. Students can also find help for homework and career perspectives

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Learn the practical steps involved in how to build electronic circuits. Learn to solder and make professional circuit boards on the cheap.

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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.