Alarm
Alarm Circuits
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Water Tank Full And Low Alarm Project | Using NPN Transistors
This mini electronics project is designed to educate students on creating a water tank level alarm system using commonly available…
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Full And Low Water Tank Alarm Circuit With A Push Switch To Turn Off The Alarm
The circuit I previously shared (click here to view), while functional, presents a significant drawback: it requires manual intervention to…
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Power failure and resumption alarm and indicator circuit using 555 timer ic
This is a very simple circuit built using only a few components to detect ac mains power failure and its…
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