In this video, I'm exploring the use of Mini PIR Sensors with ESP32 with both Arduino-based projects as well as making a movement sensor for Home Assistant by using ESPHome. The sensor is quite ...

Add Yahoo as a preferred source to see more of our stories on Google. The Kenosha Unified School Board has approved the purchase of metal detectors for use at six of its high schools, as well as a ...

The Kenosha Unified School Board approved the purchase of metal detectors for six high schools. The decision follows several gun-related incidents and a safety committee's recommendation. The district ...

I had this idea of building my own bicycle lighting system totally personalized, the lights would have the exact lighting pattern I wanted and the shape I decide. That's why I started to build this ...

From real-time alerts to integrated safety strategies, weapons detection systems on school campuses are evolving quickly. Here’s what education leaders need to know now, and what’s coming next.

What if electronic circuits could be created simply by drawing lines with a pencil on paper or leaves—and then immediately ...

Deep canyons in the Andes are the perfect location to catch the most energetic particles in the universe. Carlos ...

Last year, we brought you a story about the BhangmeterV2, an internet-of-things nuclear war monitor. With a cold-war-era ...

Scientists at Oak Ridge National Laboratory have created a new aluminum alloy called RidgeAlloy that can turn contaminated car-body scrap into strong structural vehicle parts. Normally, impurities ...