HEATKEYS

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

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.

Control and embedded systems programming with the C programming language. How to read schematics and understand the effects of programming.

AllBusiness.com provides small business resources, advice, and business ideas for entrepreneurs and small businesses to start, manage, finance, and build a business.

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

Make everything easier in your life with step-by-step instruction, how-to information, and video demonstrations awaiting your discovery at dummies.com ? the online resource for fun fact-finding.

Antique radio and phonograph repair. Professional service for museums, collectors and you!

ESP - The Audio Pages. Professional results for the DIY enthusiast. Audio articles, projects to build and general information about hi-fi amplifiers, loudspeakers and audio in general.