All the code is available on GitHub in case you also have a DSC 1550 alarm system. It’s a pretty slick hack, so don’t forget to check out the video after the break.

DSC 1550 alarm panel 1 Articles Upgrading Your Alarm System With An Arduino September 5, 2015 by James Hobson 17 Comments ...

Alarm clocks are cheap and abundant, but they’re pretty boring. If you want to make your own, Instructables user Paranoid Legend shows you how to build one with an Arduino.

How to create a simple laser trip wire alarm, taken from theArduino Project Handbook: 25 Practical Projects to Get You Started.

Using an Arduino and a little code on your PC, it monitors your screen and creates lighting behind your monitor.