This Kirlian machine circuit uses a car ignition coil. The circuit is from a Radio Electronics from May 1986. It is mentioned in an article that teaches how to obtain photographs.
This one-digit counter is part f the samples bench of the MultiSIM in one of its versions. The...
The FAN1117A and FAN1117A-5 integrated circuits from Fairchild consist of fixed and adjustable...
This circuit was found in the February 1970 issue of Radio Electronics magazine. The integrated circuit...