Smart home sensors and cameras can also tackle tiny threats, providing info and options for handling bugs all on your own.

The PIR library implements a class to monitor 1 or more PIR sensors. The library supports default 8 PIR sensors per object, which typically are added in setup(). It is possible to add a sensor (pin) ...

A previous version of this said LMPD's investigation found a ceiling tile fell on a metal chair, causing a loud noise in the Expo Center that sent people running. LMPD has since said that was "not ...

WASHINGTON, May 30 (Reuters) - Global auto executives are sounding the alarm on an impending shortage of rare-earth magnets from China – used in everything from windshield-wiper motors to anti-lock ...

ABSTRACT: This study investigates the optimization of Fresnel lens designs using Zemax software, with a focus on minimizing beam divergence by controlling the output spot diameter on the image plane.

Taylor worked with AP from 2018 to 2025, most recently as Google Editor. Android disabled earthquake alerts in Brazil after mistakenly sending notifications. Civil Defense of São Paulo confirmed no ...

The library gives control over up to 16 parallel working PIR devices over I2C. The idea for this library came up in a discussion about how to fully cover an area with PIR sensors without blind spots ...

Romanian military scuba divers (R) in a speed boat are pictured backdropped by Romanian frigate "King Ferdinand" during an exercise in April 2024. (Daniel Mihailescu/AFP via Getty Images) MILAN — NATO ...

Having spent 30+ years in residential construction, contracting, remodeling, maintenance and home repair, Deane now contributes DIY, informational and financial content as a freelance writer and ...

A new motion sensor incorporates micromachined thermal transistors to facilitate human presence and motion detection in security systems, home automation equipment, and Internet of Things (IoT) ...

'ZDNET Recommends': What exactly does it mean? ZDNET's recommendations are based on many hours of testing, research, and comparison shopping. We gather data from the best available sources, including ...