Police Siren Circuit |Homemade only 35/- Rupees

Police Siren Circuit |Homemade only 35/- Rupees

Hi guys in this video I'm going to show you how to a make police siren circuit at home with minimum cost and very easy to make. It can be also use for bike and car.

your queries:- How to make police siren at home, Police siren making using ic, emergency siren

police hooter siren at home
crazy experiment with pcb circut

We used for this circuit:-
IC UM 3561
Transistor BC 547
220 k resistor
1 k resistor
speaker

This video is very useful for those who searching for police siren making.Thanks for watching this video.

Thank you ❤
team #whathappendnext


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