Photoplethysmography (PPG) is an optical sensing technique that measures blood volume changes and underpins devices ranging from hospital-grade pulse oximeters to consumer wearables that track heart ...

IKEA has launched its new Gömpyssling LED light with sensor. It's a motion-activated light which automatically switches on when you open a cupboard or step into a space, then turns itself off after ...

The Banana Pi BPI-CM6 is a computer-on-a-module that’s the same size and shape as a Raspberry Pi CM4 and even uses the same board-to-board connectors. But while Raspberry Pi’s compute module has an ...

Presence/motion sensors are one of the best ways to make automations feel more natural, but most of them run on batteries and eventually have to be swapped. That’s one of the main reasons I really ...

Scientists have developed a fully transparent skin sensor that accurately measures UV radiation, detecting light and converting it to electrical signals. So when the Sun's rays reach damaging levels, ...

When someone hacks together a digital camera with a Raspberry Pi, the limiting factor for serious photography is usually the sensor. No offense to the fine folks at the foundation, but even the “HQ” ...

NEWBURYPORT — Friends of Plum Island Light invite the public to sign up for its annual dinner cruise on Friday, Aug. 15, at 6:45 p.m. aboard the Captain’s Lady out of Plum Island Point. The Portermen ...

Raspberry Pi launched a follow-up to its Camera Module 3 with the Camera Module 3 Sensor Assembly. Now, Raspberry Pi users can put the camera sensors into their own custom form factors. The move ...

Members can download this article in PDF format. Light sensors detect the presence or absence of light, and the intensity of that light. These sensors then convert light energy into an electrical ...

Raspberry Pi has just launched a new version of its 12-megapixel camera module, and it’s even smaller than before. This new camera is called the Raspberry Pi Camera Module 3 Sensor Assembly, and it’s ...

What just happened? Raspberry Pi has just released a new module designed to simplify the development of turnkey wireless hardware solutions. While the single-board computer company has long offered ...