When shopping for a TV, one of the first things you'll need to decide on is size. Too small and you'll be squinting at your favourite shows, while too big a TV will dominate the room and you won't be ...

Smart rings are unique in the world of fitness trackers. Instead of wrist-worn devices with large displays and flexible straps, smart rings are more rigid bands made for wear on a finger. As a ...

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 ...

For setups that rely on stored water, clear awareness of tank level and water quality is essential. Traditional level ...