Here is a simple general-purpose security alarm circuit built on the Arduino platform. It brings up an obtrusive alert signal when an intrusion/theft attempt is observed by its front-end sensor. In ...

Here is an ultra simple Arduino Night Alarm project wired around a handful of inexpensive and easily available components. One advantage of using Arduino as a security system is the flexibility!

Posted in Arduino Hacks, Security Hacks Tagged alarm, arduino, security, twitter ← DIY Servo Activated Door Lock With Capacitive Touch Keypad Driving And Old Receipt Printer → ...

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.

By using open-source Arduino tools, security researchers are exposing security gaps in door-lock systems used by millions of hotels.