Making your own security system isn't too hard, but if you'd like a super cheap and simple method, Instructables user deba168 shows how to make a wireless motion detector with an Arduino. Deba168 ...

Build a Simple, Photo Snapping Alarm System with an Arduino. Thorin Klosowski. December 8, 2015 ... then Make shows you how to build an alarm system with an Arduino and a USB camera. ...

arduino gsm security alarm. Working of the system is very simple and self-explanatory. When input power is applied to the system, the system goes into standby mode. However, when the terminals of ...