This circuit is from a Fairchild digital clock module shown in the March 1977 issue of Radio Electronics magazine. The circuit required a few external elements, including a common transformer.
Found in Popular Electronics from the 90's, this circuit uses common components and can be easily...
Advertised as the world's simplest circuit for a Z80, this one is from Radio Electronics magazine,...
We found this circuit in a 1976 technical documentation, but it can be assembled with modern...