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The Physics Classroom is an online interactive tutorial of basic physics concepts. The lessons use an easy-to-understand language to present common physics principles discussed in a first-year high school physics course.

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

Create, record and share the sounds you create anywhere to friends, family and the world with SoundCloud, the world

Distributor of electronic components and parts, DigiKey offers quality products with same day shipment, products include: Semiconductors, Capacitors, Relays, Resistors, AC DC Converters, Circuits, Microcontrollers, Power, Lighting & Wireless Supp...

MAKE brings the do-it-yourself mindset to all the technology in your life. MAKE is loaded with exciting projects that help you make the most of your technology at home and away from home. This is a magazine that celebrates your right to tweak, hack, ...

Facebook is a social utility that connects people with friends and others who work, study and live around them. People use Facebook to keep up with friends, upload an unlimited number of photos, post links and videos, and learn more about the people ...

Free electronic circuit diagram (schematic diagram) collection, electronic design, video tutorial, great for hobby or do-it-yourself (DIY) project.

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