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.
With this circuit it is possible to obtain a higher voltage from a zener diode. The circuit is from...
This circuit simply triggers an LED when the sensor is activated. The circuit is from a Popular...
This power supply, found in an Argentine publication from the 1970s, uses a wire potentiometer of 25 W or more...