Found in a 90s PE Hobbyst Handbook, this circuit mimics the sound of a space gun. The components are common, and changes can be made to modify the sounds.
This circuit, from a documentation of the 90s, uses unusual operations today, but the...
This circuit is from a Radio Electronics from May 1994. In it we have the way to connect three 4017...
This circuit is from the 70's by A. Fanzeres. We kept the original text. It has already been said...