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.
This circuit consists of a switched mixer with digital touch control. The circuit was found in old...
August 2016 - Mouser Electronics already has in stock the new DIO5151 LED Drivers DIO5151 with an...
This mixer uses only four passive component and can be used with high impedance sources. The input and...