These are the best motion-sensing lights for indoor use. Good indoor lighting ensures your home is safe for someone who is ...

For many people, a video doorbell isn’t just part of their home security system, it is the system. With a camera at the front ...

Overview: Smart home security systems combine cameras, sensors, and alarms to protect your home around the clock.These setups ...

Aside from its new design, the Eufy Video Doorbell S4 is packed full of intelligent features, including OmniTrack AI ...

Your 2026 smart home will work best if your devices can all talk to each other without having to jump through hoops. Home ...

The Aqara FP300 is a battery-powered presence sensor with Thread and mmWave radar, giving HomeKit precise motion and environmental detection.

Abstract: Passive infrared (PIR) sensors are widely used in motion sensing and lighting control. However, stationary occupants always trigger false-negative detects of PIR sensors and result in ...

In the quest for sustainable development, green buildings have emerged as a cornerstone, integrating advanced technologies to minimize environmental impact while enhancing occupant comfort. A pivotal ...

This study investigates the optimization of Fresnel lens designs using Zemax software, with a focus on minimizing beam divergence by controlling the output spot diameter on the image plane. Global and ...