HEATKEYS

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

Docstoc is a community for people to find and share professional documents. Find free legal documents and free business documents.

Electrical Engineering Community for hardware designers with design tools, projects, articles, jobs, events, discussions, and social networking.

DIY Home Security Alarm Forum - Experts volunteer help on Ademco, Caddx, DSC, Elk, GE, Moose and other systems

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...

Free Electronic projects, schematics, diagramms, pcb, free electronic software and hobbilist electronics resources, electronic community and much more

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

Academia.edu helps academics follow the latest research.

Autodesk Seek is the online source for product specifications and models for use in Revit, Autocad, 3ds Max, Maya and other CAD applications

Many articles about hacking gadgets. Examples of extreme technology. DIY projects describing how to build electronic projects. Fun top 5 and top 10 lists.