New Kojak siren circuit

Here could be a terribly easy Kojak siren that's designed with two 555 timer ICs and has a pair of linear potentiometers that permits the management of sound speed and tone.

IC2 produces a sound that may be adjusted with P2 so drives a little speaker.

The amplitude of the signal is modulated by IC1 with an occasional frequency signal.

The modulation speed will be adjusted with P1.

By victimization each potentiometers you'll get a siren that produces a sound that's almost like the Yankee police cars. The whole circuit is tiny enough to be created within a little box in conjunction with the battery and speaker. You'll use a 8Ω speaker asynchronous with a 47Ω electrical device rather than the 150Ω one. You'll use it as a push too.

New Kojak siren circuit