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.
April 2017 - Mouser Electronics is providing Vishay's new VCNT2020 optical sensors for position...
This circuit was found in a 1980s Intersil documentation. The integrated circuit used is not...
This linear LED scale circuit was found in the February 1992 issue of Radio Electronics magazine. Note...