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Showing results for tags 'sound generator alarm circuit diagram'.
Tone generator circuit using 555 timer Bird sound generator, Ambulance Siren Generator These are some circuit diagrams of the sound generators. Sounds are like Bird sound, Ambulance siren, Beep Horn, and other different types. Use 9 to 12v Dc supply and components value should be the same as suggested in the diagram because any variation of components value can change the sound type. By some changes of values of some components as given below in the diagram, you can produce many different type of sounds. Use a medium-size speaker, These circuits can be useful for the making of Ala