This is laptop / notebook protector circuit to protect your laptop or notebook or netbook from being stolen. Fixed in-side…
This is the circuit diagram of car anti-theft to protect and increase the security of your car, prevent your from…
This easy to built circuit produces a warning beep when somebody crosses a secure area in your home or place…
This is the light fence schematic diagram uses LDR as the light sensing. The fundamental issue with the greater part…
Here the water-level indicator which use a 7-segment display, to show the water level (low, half and full) in the…
Here the notebook anti theft protector circuit to secure your important netbook / notebook from stealing. Basically, this is a…
Here the circuit diagram of musical bell with touch switch and timer. This circuit is designed around CMOS IC CD4011…
This is the 'special' circuit design of power supply failure alarm. The vast majority of the power supply failure alarm…
This is the shutter guard circuit which has sensitive vibration sensor, piezo-sensor. This circuit is specifically designed for outlets to…
This is the circuit diagram of staircase light with automatic switch off. It based on timer which is can be…