Geotech - Technology for Treasure Hunting

Info

All About Batteries (PDF-47k) - Why do some detectors require 2 battery packs, and others just one? What are the real differences between battery types, and which is best for detectors?

PC Board Transfer Film A great way to make one-off PCBs.

Word Processor PCB Layout Can't afford a PCB layout package, or you just want do a simple board? Here's how to do it with a word processor.