[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 ...

This is a project to control a laser security system with Arduino. The laser is controlled by an ATmega32 which enables the laser to blink at a certain rate. This laser is sensed by an LDR sensor from ...

#define BUZZER 6 // Buzzer connected to Digital pin 6 #define LED 7 // LED connected to Digital pin 7 #define LASER 5 // Laser Diode connected to Digital pin 5 ...

If you have ever wanted to create your very own laser tripwire grid like in the movies to protect your valuables possessions, buildings or outhouses. You might be interested in a new Arduino ...

As a preview of his latest book, Arduino Project Handbook: 25 Practical Projects to Get You Started, Mark Geddes takes us through the project to create a simple laser trip wire alarm. You've probably ...

Sometimes security doesn’t need to be overly complex to be effective. Instructables user [1234itouch] recently built a simple laser tripwire alarm that can be mounted virtually anywhere, complete with ...

A new Arduino project has been posted to the awesome Instructables website this week providing details on how you can create your very own Arduino laser pinball machine. Sound exciting? If you are ...