Fire kills nearly 3,700 Americans annually and destroys $23 billion in property, with many deaths occurring because ...

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 photoelectric ...

Contribute to sparkfun/SparkFun_AS3935_Lightning_Detector_Arduino_Library development by creating an account on GitHub.

Water Flow Sensor / Flow Meter Arduino Library, Flow Rate, Volume, YF-S201, YF-B1, OF10ZAT, OF10ZZT, OF05ZAT, OF05ZZT - hafidhh/FlowSensor-Arduino ...

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 ...

Walmart is selling a 'dependable' 2-in-1 smoke and carbon monoxide detector for only $30 Shoppers say it gives them "peace of mind." Pauline Lacsamana Aug 22, 2025 4:45 PM EDT ...

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.

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