If you want to make your own system for doing so, Instructables user ICStation shows off how to use an Arduino to do it. The system here monitors temperature, humidity, and smoke levels and alerts ...

Using motion detectors and an Arduino you can trigger lights, fans, or even an pneumatically controlled cleaver-wielding clown to help add your house to the “if you dare” list.

Smoke alarms have become so common that we often take them for granted. We shouldn’t. Roughly 3 out of 5 fire deaths happen in homes with no alarms or ones that didn’t work. “When there’s ...