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) ...

Have you ever wondered about the air quality in your home or office? This wearable air quality pendant answers that question by monitoring TVOC levels throughout your day. Using the reliable SGP40 ...

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 ...

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.

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community. Issues are used to track todos, bugs, feature requests, and more.

Sponsored by Texas Instruments: Radar-sensor integrated circuits enable engineers to reduce design time and bill-of-materials costs for applications ranging from automated doors to autonomous mobile ...

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 ...

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 ended up using a microcontroller and a piece ...

Take a Home Warranty Quiz. Get matched with an Authorized Partner. Left unchecked, small leaks under your water heater, washing machine or sink can cause significant problems (including structural and ...