While the Web is full of DIY electronics projects, few are useful as they are entertaining. That’s not the case with this one here, however — a laser tripwire alarm system, which can be used to secure ...

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, ...

When it comes to home security, it's simpler than you'd think to DIY a quality system. What's a security system without lasers, though? In the video above, MAKE Magazine shows how to create your own ...

This circuit is a laser alarm system like the one we see in various movies. It uses a laser pointer beam to secure your valuables and property. Essentially, when the beam gets interrupted by a person, ...

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 ...

The giant vegetable competition evokes images of village fetes and the relaxed pace of an idyllic country lifestyle. But the reality of the contest is far from the romantic image of allotment life, as ...