Optical smoke alarm uses MOC 7811 which is an optocoupler.The sensor designed for this device is based on the principle of scattering of infrared rays.The light coming from the light source passes ...

The best smoke detector will quickly alert you to a fire. Our picks, with input from fire safety experts, help keep you and your home safe.

A pair of hackers found that a vape detector often found in high school bathrooms contained microphones—and security weaknesses that could allow someone to turn it into a secret listening device.

The town of Colonie fire departments and the American Red Cross will host a free smoke detector giveaway and installation program.

A two-alarm fire called the Webfoot Fire is burning on the southwest edge of Dayton on the afternoon of Aug. 1.

In an advance at the intersection of neuromorphic engineering and photonics, researchers have developed an ionic-electronic photodetector that not only detects light but also performs in-sensor ...

More carbon monoxide detectors from our tests Which? Don't Buy carbon monoxide detectors How we test carbon monoxide detectors Where to place and install a carbon monoxide detector What to do when a ...

Looking for an alarm system to make you feel more secure? We've tested all the best professional and DIY home security systems to help you decide which is right to protect your family and property.

A vigilant resident's quick action alerts firefighters, saving a cat's life during a smoke incident in Mainz-Gonsenheim. Learn more about this heroic rescue.

(ST. JOSEPH, Mo.) Smoke detectors are often viewed as a common household item that most people can purchase from the store; however, some families may struggle to afford them. The St. Joseph Fire ...

A man escaped from a house fire in Downtown Fresno early Friday morning after being woken up by a smoke detector, and the cause of the fire is under investigation.