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.
Suggested by an American documentation for 1969 neon lamps, this circuit provides SCR control with...
This symmetrical source was obtained from Popular Electronics from February 1979. Transistor Q1...
The transistor may be any general purpose, but the integrated transistor is not common today....