HEATKEYS

Build Guitar Pedals and Stompboxes, DIY fuzz, distortion, compressor, overdrive, delay chorus, schematics, tubes, transistors, opamps, circuit boards

Edraw is a powerful yet easy-to-use program for creating flowcharts, organizational charts, network diagrams, business presentations, building plans, mind mapping and lots more.

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.

Online reference and resources - web development, software programming, electrical formulas.

wikiHow is a wiki based collaboration to build the world’s largest, highest quality how to manual. Our multilingual how to manual has free step-by-step instructions on how to do all types of things.

Affordable Royalty Free Stock Photography. Downloads for just $1.00, with thousands of images added daily. Subscriptions available for just $39.00. Our stock photo image search engine contains royalty free photos, vector clip art images, clipart illu...

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

Fotosearch Stock Photography and Stock Footage helps you find the perfect photo or footage, fast! We feature 7,600,000 royalty free photos, 95,000 stock footage clips, digital videos, vector clip art images, clipart pictures, background graphics, m...