Found in an 1989 R-E Experimenters Handbook, this circuit produces several sound effects that can be modified. The signal must be applied to an external amplifier.
The basic configuration for a 4017 when used as a decade divider with one-of-ten decoded outputs...
This circuit was found in American documentation from the 90's. The circuit applies to any...
The great advantage of the circuit shown in the figure is the fact that its frequency is...