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 ...

Sensors are devices that detect and quantify physical aspects of the world around us. The measurement can either be read directly or converted to a signal for processing by electrical, hydraulic ...

A smart thermostat can help you add better temperature control to your home. CNET experts have compared the top options on the market to find the best ones. Jon Reed is a senior editor overseeing ...