Found in old documentation, this circuit makes use of amplifiers of the time, uncommon today. Next to the diagram, the formula for calculating the components.
This circuit was obtained in an old American documentation, remembering that the 566 is the double...
The purpose of this circuit found in a 1990 documentation is to control two incandescent lamps or...
This oscillator that excites 3 LEDs sequentially is also called a circle oscillator. The frequency...