This circuit was obtained from the Radio Electronics Experimenter magazine in a special edition of 1990. The circuit generates high voltage discharges.
We found this circuit in a 1986 documentation. It causes 40 LEDs to flash sequentially. The big...
Found in a National Semiconductor manual from the 90's, this circuit uses components of the time,...
Simple timers can be designed using inverters or any other gate that can be connected as inverter. Figure...