Optical sensors are a broad class of device for detecting light intensity. This can be just a simple component for notifying when ambient light levels rise above or fall below a prescribed level ...

A presence sensor uses wave radar technology to sweep a room, looking for the slightest movement, not the broad gestures that ...

The convergence of IoT sensors and AI is set to redefine how cities operate, making them smarter, safer and more sustainable.

Detecting infrared light is critical in an enormous range of technologies, from remote controls to autofocus systems to ...

The Aalto University team has developed a photodiode that is 35 percent more sensitive than other currently used ...

Smart home device maker Aqara has introduced many sensors and controls at CES 2025, including a new wall panel for ...