The audio component centers around the SS8550 PNP transistor (Q1) which serves as a driver for the passive buzzer (BZ1). This ...

The Ring Alarm Security Kit home security system that is easy to install to install on your own, offers affordable professional monitoring, and interacts with other Ring devices and dozens of ...

Installing a smart water sensor can save you a lot of money and hassle. The best models we've tested immediately alert you to leaks and even shut off your home's water supply.

Rutronik Adapter Board RAB7 is an open-source hardware Arduino shield designed for AI-powered Sensor Fusion with seven environmental and inertial sensors from Bosch, Infineon, and Sensirion. The ...

Nintendo’s Alarmo uses the tech that could solve Joy-Con stick drift The dial control atop Alarmo uses a magnetic Hall effect sensor for improved accuracy and durability.

These sensors send data to an Arduino Uno R3 microcontroller and utilize it to determine the gas concentration and trigger security precautions. When the concentration exceeds a threshold, then it ...

The traditional single sensor alarm system has been difficult to meet the requirements of multiple pollutants detection at the same time, so this research proposes a multi-sensor integrated ...

Htzsafe, Guardline and Hosmart are among the best driveway alarm systems. This guide will help you choose the right alarm for your home.

I recently had to build an infrared close proximity sensor that could tell if something was dropped in a parcel delivery drop box. After some searching, I ...

We found the best driveway alarms that can withstand heavy rainfall, have a long transmission range, and include motion sensors.

Faulty sensor triggers days-long alarm at former Iranian Embassy in DC It was an alarm that blared at the former Iranian embassy since last Friday night. That’s when D.C. Fire says the original ...

Best Smart Water Leak Detectors We tried seven detectors from brands including Aqara, D-Link, Kidde, Moen, and Swann, and found big differences in ease of setup, the alerts they provide, and how ...