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 ...

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, ...

Tripwire alarms are a classic yet effective home security method for detecting intruders in the security industry. Among the various types available, the 12 gauge tripwire security alarm stands out ...