This circuit has the spark duration controlled by a 555 timer. The circuit was found in the 1990 special issue of Radio Electronics Experimenter magazine.
This circuit was found in the August 1997 Electronics Now magazine. The circuit uses well-known...
We found this 3-digit digital odometer for bicycles (or another application) in a 1995...
We found this circuit in a 90s Electronic Design. The circuit is based on a quadruple operational...