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 sweep generator or current-controlled oscillator was found in Popular Electronics from...
We found this circuit in the April 1992 issue of Radio Electronics magazine. The circuit uses an...
This two-relay circuit gives drive logic that is clear when analyzing the circuit. In the original...