This simple continuity tester consists of an oscillator found in the 1983 Electronics Experimenter Special projects magazine. The circuit is powered by a single battery.
This circuit was originally intended for reading movie soundtracks. The circuit is from 1967 and...
This circuit is from an Italian magazine Elettronica 2000 of September 1987. It is a pulsator for...
Published in a February 1978 Radio Electronics magazine article, this digital circuit uses some of...