HEATKEYS

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

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

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.

Electronics projects, electronic circuits diagrams and schematics. Electronics circuit design and kits with circuit diagram pictures, components and pcb layouts.

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

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

ANU College of Engineering & Computer Science

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

Discover hidden treasures. Find gold with the world’s best metal detectors. Improve your skills while browsing our articles. Our video library explains many technical features you need to know. Become a member and get free access to many extras.

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