This is a low cost, simple, yet a surprisingly powerful electronic siren powered by just a 9V battery. The circuit may provide the final circuit […]

Here the circuit design of vibration sensor alarm. Initially, when power switch S1 is flipped to “on” position, power indicator LED1 lights up immediately. IC […]

This is the circuit diagram of 70W OCL power amplifier with output power of 70 watts single channel. It uses power transistor TIP2955 and TIP3055 […]

The is a simple and versatile 12 stage water level indicator circuit which will show you the current water level in the tank. This circuit […]

Here is the simple and low cost light alarm circuit built using timer IC 555 as the sound generator and a LDR to sense the […]

This is the circuit diagram of car audio system anti theft security which can be effectively used to protect and secure your expensive car audio […]

This is the electronic circuit diagram of aquarium temperature probe capable to monitor the temperature of water and indicate the rise in temperature through audio-visual […]

This is laptop / notebook protector circuit to protect your laptop or notebook or netbook from being stolen. Fixed in-side the laptop case, it will […]

This is the circuit diagram of car anti-theft to protect and increase the security of your car, prevent your from stealing. This circuit is very […]