Security
DIY Electronic Cardlock Security System
Here is the DIY electronic cardlock security system that can be used as a lock to turn on dan turn…
Car Audio System Anti Theft Security
This is the circuit diagram of car audio system anti theft security which can be effectively used to protect and…
Laptop / Notebook Protector
This is laptop / notebook protector circuit to protect your laptop or notebook or netbook from being stolen. Fixed in-side…
Car Anti-Theft Protection with Buzzer
This is the circuit diagram of car anti-theft to protect and increase the security of your car, prevent your from…
Electronic Appliance Protector
This is a easy built and very low-cost circuit purposed to protect your electronic appliances / devices, such as Personal…
Simple Mat Alarm Switch
This easy to built circuit produces a warning beep when somebody crosses a secure area in your home or place…
Light Fence with LDR
This is the light fence schematic diagram uses LDR as the light sensing. The fundamental issue with the greater part…
Notebook Anti Theft Protector
Here the notebook anti theft protector circuit to secure your important netbook / notebook from stealing. Basically, this is a…
Shutter Guard
This is the shutter guard circuit which has sensitive vibration sensor, piezo-sensor. This circuit is specifically designed for outlets to…
Cheap Motorcycle Alarm
This is simple to build and cheap motorcycle alarm circuit which could be fitted in motorcycles to take care of…