This will probably be more useful to custom speaker builders, but coil winding has always been a bit tedious. [iwicom] put together a simple coil winder using a hand drill, a magnet, a reed switch that triggers a pedometer. Aside from the coil winder, I love the idea of using the pedometer as a cheap event counter.
Tool Hacks3096 Articles
Homemade Night Vision Scope
apparently, greg miller is a class ‘a’ dumpster diver and high voltage hacker. aside from the image intensifier tube found on ebay, this night vision scope is made almost entirely from other people’s junk. something like this would add the perfect touch for creeping out friends with your silence of the lambs impersonations.
