[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. Th… ...

The device also keeps track of temperature and humidity. The entire system can be controlled via a web interface. The Arduino serves a web page that allows the user full control over the alarm.

In this project, we create a joystick-controlled laser by connecting two servos to a joystick and using this setup as a pan-and-tilt controller for a ...

Wi-Fi security usually means keeping virtual intruders off your network, but a new system claims to be able to use Wi-Fi networks to detect physical intruders. Gamgee’s Wi-Fi Home Alarm System ...

In a research paper published by Optica, the researchers behind the system revealed it combines artificial intelligence (AI) and laser-generated holograms to provide high-level data protection ...

Uniden Announces the All New R9 Custom-Installed Extreme Long-Range Radar/Laser Detection System Complete full coverage solution for discerning customers who expect the very best.