This project uses an HC-SR04 ultrasonic sensor to measure how close an object is. A buzzer and LED react depending on the distance, similar to a car parking sensor. < 10 cm → buzzer and LED stay on.

This project is a laser-based security alarm system developed as part of my B.E. Electronics & Telecommunication Engineering coursework. It uses a laser beam and LDR sensor to detect interruptions and ...

LabVIEW is a graphical programming language, used in many research fields for designing communication algorithms and simulating traditional as well as real time signals. Arduino kit can be interfaced ...

Abstract: Flexible sensors with surface suitability for complex-shaped objects generally sense object motion through a contact mode, which limits their application range and shortens their service ...

If you have a dark spot in your home that doesn’t get as much light as you like, boy do I have a solution for you: a compact, battery-operated, motion-sensing light that requires very little setup and ...

CNET staff -- not advertisers, partners or business interests -- determine how we review products and services. If you buy through our links, we may earn a commission. There's nothing worse than ...

CNET staff -- not advertisers, partners or business interests -- determine how we review products and services. If you buy through our links, we may earn a commission. Video doorbells are much more ...

Thanks to smart home security systems, it's easier and more affordable than ever to monitor your home from pretty much anywhere. At PCMag, we have been reviewing smart home security solutions for ...

Our team tests, rates, and reviews more than 1,500 products each year ...

BRIDGEPORT — Three people were left in the raised ranch house on Platt Street following a two-hour standoff in the early morning hours of Sept. 9, 2021, but only one was alive — and on Tuesday his ...