This home smoke detector circuit warns the user against fire accidents. It relies on the smoke that is produced in the event of a fire and passes between a bulb and an LDR, the amount of light falling ...

Lee Wallender is a home improvement writer of nearly 20 years and specializes in home remodeling, repair and maintenance. Sami Allen is the managing editor at Forbes Home, with over seven years of ...

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 ...