HEATKEYS

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

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

Offers bookmark synchronization, search enhancement and web discovery based on sites bookmarked by users.

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

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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.

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

Contains both useful science education and TOTAL CRACK-BRAINED DETRIUS. Amateur science resources, many new science projects and activities for kids, science textbook errors, Tesla coil construction, physics teaching articles, electricity articl...

Electronics service manual exchange : schematics,datasheets,diagrams,repairs,schema,service manuals,eeprom bins,pcb as well as service mode entry, make to model and chassis correspondence and more.

A large collection of free electronics schematics. New circuit, datasheet, project idea, technical articles and related products are posted every week.