HEATKEYS

Ohm

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

CSGNetwork Free Information. Calculators, Converters, Glossary, Open Source Code... find something. Most pages require JavaScript.

A source of information on Royal Rife, Royal Raymond Rife, Rife frequency instrument, Rife beam ray, Rife frequency generator, R. R. Rife, radient beam ray, EMEM2, EMEM3, EMEM3D units, Enhancer units, zapper, and other kinds of bio-electronic equipme...

Introducing here an innovation for Electronic hobbyists and those who interested in Electronic circuits for their career enhancement. i-st@r, a site providing lot of DIY circuits, Latest Electronic Products, Microcontroller Projects, Circuit diagrams...

All the electronics info you need to know about the 555 Timer. With over 80 different electronic circuits that you can build.

Homebrew electronic Projects Free Online Engineering Calculators as well as a lot of useful Homebrew Projects and Technical Papers and Must-Have (free) Software.

calculators, engineering, mechanical, electrical, electronics, design, construction, manufacturing, consultant, layout, software, chemical, plastic, polymers

Basic Electronics Tutorials and Revision. A free online Resource for Students, Teachers, Beginners and Hobbyists on all aspects of Digital and Analogue Electronics.