New mods and firmwares hit the web almost every day now. If there’s a favorite piece of gear in your arsenal that you wish ...

Build a tiny ESP32 OLED keychain with a 1.3-inch display and custom 3D-printed enclosure. Wire the ESP32 S3 and program it ...

Arduino has introduced its first official standalone Arduino USB Camera, pairing HD imaging with a microphone and adjustable ...

Red light therapy has long been used to reduce inflammation and improve skin texture, which is why LED devices are having a moment—you can reap some of the benefits without booking a professional ...

What is that flashing star in autumn? We nominate these 3 candidates. Image via Igor Cibulsky/ Pexels. Capella is bright. It shines at magnitude 0.24, making it the 6th-brightest star in Earth’s sky, ...

Organic LEDs are light emitting diodes (LEDs) that use polymers or small organic molecules as their optically active element. Development of organic LEDs is driven in particular by its potential as a ...

Smartphones may give us an easy access to a light source, but for seeing objects at a distance or brightening a workspace in places like the attic or under the sink, you need the power and range of a ...

The IKEA Kortlinje is a digital clock that costs around 20 dollars, featuring a hygrometer and thermometer. It’s another ...

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There are some projects that seem at first sight to be easy, but anyone who tries them finds a whole heap of unexpected problems and turns to the off-the-shelf device. PCB antennas for example, or ...

As our beauty editor, I’m often asked by my friends about LED face masks. Do they actually work? The short answer is yes, but there are some caveats. These devices use various wavelengths, with red ...

A collaboration of researchers from the Ferdinand-Braun-Institut (FBH) in Berlin and the Universities of Strathclyde and Cambridge in the UK have achieved a data transfer record using far-ultraviolet ...