HEATKEYS

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

the old radio builder is dedicated to those that enjoy building radios and other electronic devices using parts and techniques from bygone eras.

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

Metal Detector Super Store. Kellyco has provided quality, easy to use metal detectors since 1955. Free detector shipping.

Technology and design issues relating to metal detectors and other treasure hunting instruments, includes projects and a discussion forum.

Hobby ideas, resources and information. A hobby is a great way to relax, gain experience and discover your hidden talent. Visit hobby-hour.com, and spend a quality hour with us.

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.

Yahoo! Answers is a new way to find and share information. You can ask questions on any topic, get answers from real people, and share your insights and experience.

All the electronics info you need to know about the 555 Timer. With over 80 different electronic circuits that you can build.

Electronic Ciruits portal of free electronic circuits, schematics, designs, or diagrams & other resources for engineers, inventors & students.