Miter box

Make Straight Wood Cuts with a Miter Box

It’s possible to draw a fairly straight line with a pencil, but if you want to be accurate, you must use a ruler or straightedge to guide the pencil as you draw. Similarly, if you want to saw a piece of wood (or plastic, or PVC pipe) so that the cut is as straight as […]

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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 for other favorites. One of […]

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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 objects. The beat frequency between […]

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