While Apple and Samsung race to be the first company to perfect a fingerprint scanner that resides under a smartphone's display, a Chinese company called Vivo has already done it. Vivo is launching ...

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 or ...

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 ...