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 ...

Contribute to ahmedfaiza01/Arduino-Smoke-Level-Detector- development by creating an account on GitHub.

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 an ...

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

A smoke alarm inside the Waldorf, Maryland, home that went up in flames Sunday morning, killing six people, had been disconnected and had no battery installed.

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.

Thus, they entered a heart rate sensor to our 2025 One Hertz Challenge! The build is based around a Wemos D1 mini, a ESP8266 development board.

Recently, a novel ultra-low power indoor localization system based on Zero-Energy-Devices (ZEDs) has shown promising results in ambient backscatter communication. While prior work has demonstrated ...

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.