Melody generator/ Door bell alarm

555 tone generator circuit diagram

Siren Sound, Bird Sound, Tone generator using 555 timer

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 …

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