Dan Koellen AI6XGJan 25, 20212 minThe Digi-Disco, a 1970's Light ControllerThis is a light system that I designed and built in 1978 to control large flood lights of different colors, synchronized to disco music...
Dan Koellen AI6XGJan 25, 20211 minHeathkit IT-28 Capacitor CheckerAfter building the Pico C-Super capacitor tester that was published in Elektor Magazine I decided to revive an old Heathkit IT-28...