Kona Kai Jewelry Stand

My lovely wife has been collecting vintage jewelry for most of her adult life. Some pieces she considers “too good to wear” and keeps stashed in jewelry boxes, waiting for those special occasions that never seem to come. Others she keeps in rotation, wearing favorites often, then switching them out... Read more »

Treasure Finder

Who hasn’t dreamed about owning their own metal detector and searching for buried treasure, or at least a few dropped coins? In this project, we will build a metal detector based on a dual oscillator circuit. One oscillator is fixed, and the other varies depending upon the proximity of metal... Read more »