Keeping track of things like the temperature, humidity, and smoke level in your house is important. If you want to make your own system for doing so, Instructables user ICStation shows off how to use ...

This project is an automated kitchen safety and ventilation system built using an Arduino UNO R3, a DHT22 temperature & humidity sensor, an MQ-2 gas/smoke sensor, and a relay module connected to an AC ...

Here’s a little smoke detector hack which [Ivan] has been working on. He wanted to extend the functionality of a standard detector and we’re happy to see that he’s doing it with as little alteration ...