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 ...

Installing and maintaining smoke and carbon monoxide (CO) detectors can save your life. Fortunately, they’re inexpensive and easy to put in place. Basic smoke detectors cost as little as $15 and ...

Editor's Note Dec. 31, 2025: We combed through this article to ensure all of our product recommendations are in stock. The Google Nest Protect seems to no longer be available, so we removed it from ...