With Instructables you can share what you make with the world, and tap into an ever-growing community of creative experts.
We have a be nice comment policy. Please be positive and constructive.
We noticed you attached photosto your comment.
Laser Tripwire Alarm
DIY Hacks and How Tos
Laser Trip Wire Security System with Combination Lock and Epic Siren!
Industrial IoT Applications - Build Your Own Laser Trip Wire
LASER Trip Wire Alarm Circuit
Xanboo/Homesite Laser Break Beam Sensor
Hack Your Snap Circuits With Frickin' Laser Beams! Build a Laser Tripwire and Alarm
DIY Security System
Stealthy Dual Laser Perimeter Security Receiver for 3d printing
Laser Beam Alarm System with Rechargeable Battery for Laser
ESP8266 Laser Tripwire
Posted:Dec 4, 2010
Let your inbox help you discover our best projects, classes, and contests. Instructables will help you learn how to make anything!
© 2016 Autodesk, Inc.