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2 Siren Sound Use IC555

Police Siren Circuits with IC555

Wall mounted PC http://www.overclock.net/t/1467135/wall-mounted-water-cooled-pc-the-recoilmachine

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 http://www.electronicshub.org/police-siren-circuit-using-ne555-timer/

Esquemas eléctricos: Protector falta de fase

3 Channel Equalizer Using LM324 circuit diagram

Power Supply for Walkie-Talkies

How To Build A Tin Can WiFi Antenna - This little hack improves your wifi range so much the modem companies have tried to hide this for years!

92abee922f1b603ea1604493dc61d327.jpg 582×821ピクセル

Esquemas eléctricos: ALUMBRADO EXTERIOR TRIFASICO A MONOFASICO