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

China’s microelectromechanical systems (MEMS) sensor industry is surging, but technical gaps, fragmented production and coordination challenges hinder its full potential. As global demand accelerates, ...

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, or a ...

Good news: a weather forecast of 100 percent humidity doesn’t always mean it’s going to rain. Bad news: It might feel absolutely disgusting outside. The percentage of humidity is not measured by the ...

In the colder winter months, a humidifier can help you massively improve the air quality in your home — these are the best appliances to look for in the New Year's sales. When you purchase through ...

CNET’s expert staff reviews and rates dozens of new products and services each month, building on more than a quarter century of expertise. Air quality infamously drops as the days grow cold and we ...