Found in the 1990 special issue of Radio Electronics Experimenter magazine, this circuit uses an automobile ignition coil. Adjustments can be made to suit the coil.
The configuration shown is from the National Semiconductor Linear Applications Handbook. The...
Found in a 1970 American publication, this circuit uses transistors of the time. These transistors...
This flasher with a small incandescent lamp was obtained in a documentation from the 80's. The...