This circuit from July 1975 Radio Electronics uses any operating system with a symmetrical source. The waveform is shown on the side of the diagram.
This simple PWM circuit was found in the March 1991 issue of Radio Electronics magazine. The...
Found in documentation from the 1960s, this circuit uses general purpose transistors that can...
At dusk this circuit triggers a relay switching lamps. The circuit can be powered from 6 to 12 V...