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Wall mounted PC

ピンもと:Electronics Hub

Police Siren Circuit using NE555 Timer

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

Very Simple 2 Transistor LED Flasher Circuit

DC to AC Inverter with IC555