Found on a 1965 Radio Electronics, this circuit fires a signal xenon lamp applied to the SCR from an external trigger. The pulse transformer generates high voltage for flash triggering.
This two-tone buzzer can be powered by a solar panel. The circuit is from a 1991 documentation. The...
This well-known configuration of the guitar effects pedal was obtained in an English magazine from...
This simple circuit was found in the Spanish magazine “Todo Electronica”, in an edition of 1996....