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 ...

He mounted a photo cell in a project box, along with an Arduino and a 12-button key pad. A laser ... of the tripwire alarm, and be sure to check out these other tripwire-based security systems.

You might be interested in a new Arduino compatible multi-programme laser trip wire system that has been created by Patrick Thomas Mitchell based in Ottawa Canada. Patrick is a serial Kickstarter ...

This microcontroller is at the heart of countless impressive projects like RFID door locks, automated ... Powered by an Arduino Uno, this laser tripwire alarm project works much like those in ...

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 ...