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.

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.

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

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

Natural Nevada Turquoise from our mines, Jewelry in Silver and Gold, supplies of tourmaline, Oregon Sunstone, opal and tanzanite gems

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

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

This site offers many tutorials on electronics, including resistors, capacitors, inductors, voltage regulators, and many different ICs.

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