Local-first wins.

Ultrasonics refers to signals that are above the human hearing span (>20 kHz), and usually in the 40- to 70-kHz range. These signals are used like radar—they’re radiated toward a target and reflected ...

Dr. Park Chan Wook (Postdoctoral Researcher, Non-Destructive Metrology Group, KRISS); The Korea Research Institute of Standards and Science (KRISS, President Lee Ho-seong) has developed an ultrasonic ...

The Arduino is a great way for hobbyists and pros alike to experiment with programmable objects, but it can be confusing for beginners without these tools.

The BeagleBadge is a new ePaper display that’s designed to be worn like the paper badges you’d wear at a conference.

Watch my step by step e-bike build where we take a cheap mountain bike bought online and add a Lunacycle branded bafang bbshd mid-drive kit to it. This is part 3 of 3 where we finish the build by ...

Looking for an alarm system to make you feel more secure? We've tested all the top professional and DIY home security systems to help you decide which is right to protect your family and property.

Thanks to smart 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 nearly 20 ...

Tyler has worked on, lived with and tested all types of smart home and security technology for over a dozen years, explaining the latest features, privacy tricks, and top recommendations. With degrees ...

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 ...