This is one of the many possible siren configurations for the 555 integrated circuit. We found it in the October 1992 Radio Electronics magazine. It has a power stage.
The circuit that gave rise to this configuration was found in a magazine of the 1980s with the...
The interruption of the light incident on the phototransistor causes the trip of this circuit that can...
March 2017 - Texas Instruments' new TPS2H160-Q1 smart switches can now be obtained from Mouser...