Researchers in Sweden have unveiled a way to create high-performance electronic electrodes using nothing more than visible light and specially designed water-soluble monomers. This gentle, ...

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 ...

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 ...

Raspberry Pi is expanding its product lineup with a new computer-on-a-module designed as a lower cost alternative to the Raspberry Pi CM4 or CM5. North American pricing and availability haven’t been ...

Welcome to the FourThirdsEye project, an open-source camera board designed for Raspberry Pi 5 and Raspberry Pi Compute Module 4 boards using a Micro Four Thirds format image sensor IMX294. This ...

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” ...

UC Riverside researchers have unveiled a powerful new imaging technique that exposes how cutting-edge materials used in solar panels and light sensors convert light into electricity—offering a path to ...

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 ...

If you have been eyeing the Raspberry Pi Compute Module 4, but haven’t purchased it yet, you’ll be glad to hear that the company has reduced the prices of its standard operating temperature 4GB and ...