This fuzz effect for guitars was found in an American 1980s documentation. The transistors may be the BC549 and should be battery powered for noise sensitivity. Diodes are commonly used.
This small automotive NiCad battery charger uses only passive components and has the number of...
This circuit produces low power flashes in a LED. Frequency is adjusted by P1 and depends also on...
This is the traditional configuration of na Astable Multivibrator using two NPN ttransistor....