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 ...

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 ...

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 ...

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.

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

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

Living bacteria generate electrical signals in a new hydrogel sensor that can detect substances in liquids like milk.

There have been many questions about what direction Arduino would take after being bought by Qualcomm. Now it would seem that ...

A research team led by Prof. Tianyu Wang and Jialin Meng from the School of Integrated Circuits and State Key Laboratory of Crystal Materials at Shandong University has developed the world’s first ...