Real Time Home Security System using GSM Technology-An Anti-theft System! This project deals with the design & development of a theft control system for home, which is being used to prevent/control ...

[over9k] used his Arduino to set up a laser trip wire. The laser is mounted along side the Arduino, reflects off of a mirror, and shines on a photoresistor that interfaces via a voltage divider. The ...

Instructables user [EngineeringShock] has been hard at work building a laser trip wire security system, complete with a combination lock. The security system works just like you see in the movies, ...

What do you do when you have a few transistors, some capacitors, a lot of mirrors, a bunch of HandiTak and one laser? If you are McGyver, probably a intercontinental ballistic missile interceptor. If ...

Miami International Airport (MIA) is getting a new security system, featuring infrared cameras and laser walls, that promises to identify and respond to airport perimeter breaches in real time. The ...