In the figure we have one of the many ways to program the counting of a 4017. The circuit uses additional gates and was found in the Radio Electronics magazine of April 1989.
This circuit with germanium transistors was found in a 1980s documentation. The circuit makes use...
This relay shield circuit for old computers was found in January 1983 Radio Electronics magazine. The...
The assembly of this circuit was described in the January 1977 issue of Radio Electronics...