How to make police siren at home | simple police siren.

In this video i will show How to make simple police siren at home. I use Um 3561 ic for generating 4 tones.


Song: KIRA - New World [NCS Release]
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Circuit diagram:-
Police siren:- https://drive.google.com/file/d/1EZuu...

Ambulance siren:- https://drive.google.com/file/d/1Eds2...

Fire brigade:- https://drive.google.com/file/d/1Ea1F...

Machine gun:-
https://drive.google.com/file/d/1Ef8W...
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