This guitar effect circuit was found in a 2002 documentation. The circuit can be powered by a 9 V battery as it has low consumption. The connections of the input and output audio signals must be shielded.
This simple calibration circuit consists of a crystal oscillator that generates an accurate 100 kHz...
This circuit generates 5 notes in sequence, which are programmed in the connections of the 4017...
This circuit makes use of comparators and common operational amplifiers, having been found in...