Safer Security System Alarm Circuit Electronic

Safer Security System Alarm

Here the circuit diagram of safer security system alarm. There are many security systems use a closed loop of wires and switches arranged so that whenever a door or window is opened, the loop will be […]

Electronic siren Circuit Electronic

Electronic Siren

This is Electronic Siren circuit diagram which use standard discrete components. The sound produced imitates the rise and fall of an American police siren. When first switched on the 10u capacitors is discharged and both transistors […]