Just about every “getting started with microcontrollers” kit, Arduino or otherwise, includes an ultrasonic distance sensor module. Given the power of microcontrollers these days, it was only a matter ...

An hourglass tells you what it is in the name — a glass that you use to measure an hour of time passing by. [EDISON SCIENCE CORNER] has built a digital project that mimics such a thing, with little ...

This article explains an upgraded smart solid-state AC switch system that uses microwave Doppler radar instead of traditional ...

Close-up of Silicon Die are being Extracted from Semiconductor Wafer and Attached to Substrate by Pick and Place Machine. Computer Chip Manufacturing at Fab. Semiconductor Packaging Process. On ...

Not every notebook has a touch screen, but try one, and you'll be a tap-and-swipe convert. Here's what to know about touch-panel technology, plus the best touch-screen laptops you can buy, based on ...

Touch screens may be a tech staple, but not every laptop has one—and not every laptop that does fits every user's needs. That's where we come in. Since PCMag established PC Labs more than 40 years ago ...

Optical sensors are a broad class of device for detecting light intensity. This can be just a simple component for notifying when ambient light levels rise above or fall below a prescribed level, or a ...

Abstract: Reliable real-time monitoring of lithium-ion battery (LIB) status is critical for ensuring both safety and performance, particularly in densely packed module designs. However, conventional ...