You'll need an Arduino along with a bunch of various sensors to get the project rolling, and once it's all set up you'll have a simple, but cheap system to monitor your home.

An Arduino is a microcontroller — a single board designed to control something and perform a specific task. Unlike a Raspberry Pi, you won't find anything resembling an operating system here ...

The Arduino Smoke Detector, a wireless device that sends text messages and automated phone calls to users when a smoke sensor is triggered, won the Hacker's Choice Award at last weekend's ...