Bermuda enables device proximity in a room without using any trackers or apps. Using an ESP32, it works as a Bluetooth proxy, ...

Abstract: Pyroelectric infrared (PIR) sensors are much promising for device-free localization (DFL) due to their advantages of lower cost, low power consumption, and privacy protection. Most PIR-based ...

Creating Motion Sensor Lights in Minecraft. This build creates bluetooth-style lights that add a futuristic look to interiors ...

Researchers at Princeton and North Carolina State University have developed a technique that substantially improves the ...

New sensor-packed Smart Bricks introduced at CES add color, sound, and interactivity to classic Lego builds, debuting with ...

We independently review everything we recommend. We may get paid to link out to retailer sites, and when you buy through our links, we may earn a commission. Learn more› By Nancy Redd Shifts in the ...

The best electric toothbrushes, including the top-shelf models often get heavily discounted during January, so if you're looking to try a new brand or upgrade, or perhaps even buy one as a gift, now ...

Abstract: Human detection using sensors preserves the privacy. The Passive Infrared (PIR) sensor is used to detect the presence of human. But this detects the human only if they are in motion.