Water Tank Full & Low Level Alarm Circuit With Momentary Switch To Turn Off The Alarm

Water Tank Full & Low Level Alarm Circuit With Momentary Switch To Turn Off The Alarm

Stereo Bridge Amplifier Circuit Using LA4440 For Car, Desktop, Laptop

Stereo Bridge Amplifier Circuit Using LA4440 For Car,Desktop,Laptop

Burglar Alarm Using NPN(BC548)And PNP(SK100) Transistor

Burglar Alarm Using NPN(BC548)And PNP(SK100) Transistor. The burglar alarm circuit shown here sounds an alarm when the wire loop is broken.