HEATKEYS

A discussion forum for electronics and circuits

Reviews and free software downloads for Windows, Mac, Palm, Pocket PC, and Mobile Phones. The best programs and games. Buy software directly online.

EveryCircuit is your friend whether you study circuit theory or design circuit boards. Build a circuit, click play, and enjoy circuit schematic animated with real-time simulation results.

YouTube is a place to discover, watch, upload and share videos.

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This site has merged with CIRCUIT-BLOG.COM and LDRENGINEERING.ORG Click here to get all the posts of circuit-blog.com and ldrengineering.org. Custom Search Se...

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

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

The Global Website of Roland Corporation, a leading worldwide manufacturer of electronic musical instruments and digital equipment.

TINA Design Suite is a powerful circuit simulation package for analyzing, designing, and real time testing of analog, digital, VHDL, MCU, SMPS, RF, communication, optoelectronic and mixed electronic circuits and their PCB layouts.

Freebyte, Your guide to the Web. Free software, clipart, images, music, games, jokes, anti-virus, dictionaries, pims, operating systems, programming tools, news, weather, screensavers, ebooks, etc.