Found in a 1966 General Electric documentation, this circuit controls an incandescent lamp from an audio signal. The circuit works like a rhythmic light.
This circuit was found in an Elektor from the 90s. It is a circuit that generates different types of...
This circuit is from an American publication of the 80's. It makes use of components of the time....
This circuit was obtained from old documentation and has a very simple 6 or 12 V configuration...