Police Siren Circuit | How to Make Police Siren Sound Using Transistors | DIY Electronics Project

Police Siren Circuit | How to Make Police Siren Sound Using Transistors | DIY Electronics Project



Learn how to make a Police Siren Circuit at home using simple electronic components.
In this video, I will show you the complete wiring diagram, required components, and working process of a DIY Police Siren Sound Generator.
Perfect for electronics beginners and hobbyists who love making circuits.

Components Used:

Transistors:- 1ps A940 transistor , 1ps bc548 transistor .

Resistors:- 1ps 20k/2ps 10k resistor, 1ps 47k
resistor , 1ps 1k resistor.

Capacitors:- 220uf capacitor, 22nJ/100v PF

Breadboard / PCB:- optional

Connecting Wires.

Battery:- 3.7V lithium ion battery .

Speaker:- 1ps mini speaker.


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