Found in the May 1997 issue of Electronics Now, this circuit produces a variety of sound effects for your instrument. It can be used with acoustic and electric guitars.
This circuit was found in a 90s Electronic Design. It uses integrated circuits that are not common...
The frequency of this oscillator depends on the crystal used and has a threshold given by the...
This circuit is from a 1993 Italian magazine, but it can be easily assembled today. For 110 V,...