Having a reliable and efficient smoke detector in your home can be a lifesaver. Here are our top five recommendations.

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 ...

This image provided by the Office of the State Fire Marshal shows a house fire in Waldorf, Md., Sunday, Aug. 10, 2025. (Office of the State Fire Marshal via AP) A smoke alarm inside the Waldorf home ...

The London Fire Department (LFD) is taking a door-to-door approach to fire safety this summer, launching a new campaign aimed at making sure every home has a working smoke alarm. While the importance ...

Chapter 1, page 11 This code is basic but allows the reader to gain insight into key elements for several other projects in this book. It combines two pieces of code that are listed in the examples ...

COLONIE, N.Y. (NEWS10) — The town of Colonie fire departments and the American Red Cross will host a free smoke detector giveaway and installation program. It will take place at 7 a.m. on Wednesday, ...

How fast does your heart beat? It’s a tough question to answer, because our heart rate changes all the time depending on what we’re doing and how our body is behaving. However, [Ludwin] noted that ...

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.

For Arduino IDE, download zip file from the repository (Github page) by select Code dropdown at the top of repository, select Download ZIP From Arduino IDE, select menu Sketch -> Include Library -> ...

Abstract: The prevalence of alcohol-related traffic accidents has led to a growing demand for technological solutions that can prevent drunk driving. This paper presents a design and implementation of ...

Abstract: This article develops a new sensor that can detect projectiles in all-weather with high sensitivity and a large field of view. Two high-power line lasers are used to design an active ...

Microsoft is having difficulty keeping development code out of the Windows event log after another message that users are advised to ignore turned up in the... event log. The problem can crop up after ...