I would like to try running things using an ESP32-based board with Arduino. When it comes to running microcontrollers, the ...

Explore two new Elektor Academy Pro STM32 programming courses, featuring MicroPython and Arduino, as part of the Embedded ...

Why Arduino on a day off?I took the day off work today because I wasn't feeling well.Even while lying down, I couldn't stop ...

From there, everything is ready to use. Plug in the Ethernet cable and then, from a computer on the same network, try to SSH in to the IP (account is “sshrp” by default). If the connection goes ...

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 ...

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 ...

The IKEA Kortlinje is a digital clock that costs around 20 dollars, featuring a hygrometer and thermometer. It’s another cheap appliance, you might think, were it not that the display is a white LED ...

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 ...

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 ...

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 ...

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, ...

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 ...