Photoplethysmography (PPG) is an optical sensing technique that measures blood volume changes and underpins devices ranging ...

Build festive decorations using Arduino and Raspberry Pi with these five creative holiday projects and video tutorials ...

Tecno announced a Samsung sensor-based continuous optical zoom tech for camera phones, offering seamless 1x-9x zoom range with a single lens.

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 ...

Chris Wedel is a fan of all things tech and gadgets. Living in rural Kansas with his wife and two young boys makes finding ways to stay online tricky — not to mention making my homestead smarter.