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2 Siren Sound Use IC555

Police Siren Circuits with IC555

Wall mounted PC

Circuit Diagram of Police Siren using 555 Timer: This circuit produces a sound similar to the police siren. It is used to prevent the act of theft and murders. For more information, visit

IC555 Negative supply voltage low current

Sound Processor With 555

car subwoofer sound quality sq

Divide-by-2 Counter

Very Simple 2 Transistor LED Flasher Circuit

DC to AC Inverter with IC555