About 2 weeks ago, I set out to research grow lights to supplement the scarce natural light we get here at 51°N. But after looking at quite a few offers, I decided to DIY it. My requirements don't ...

There are so many nice hacks in [Joekutz]’s retro LED display project that it’s hard to know where to start. There’s his DIY LED display controlled by an Arduino UNO. To have some text or picture for ...

This design idea (Figure 1) shows how easily “new flesh can be added to the old bones” and how some new functions can be added to the simple LED display that was published earlier. Figure 1 Upgraded ...

This expandable LED display for a microcontroller in Figure 1 has a simple interface with only 6 data/control wires and can be easily accommodated to a DIY design. The display has static indication.

If you’re looking for a great way to light your photo and video shoots, this DIY super bright LED panel can be molded to shed light anywhere you need it. You can even swap between warm and cool ...

[Markus] had been drooling over some LED panels to use as a soft light source for photography, but being a hobbyist, he didn’t want to spend a ton of money to buy them. He figured that he had enough ...

Thanks to our Technology Editor Steve Bush for flagging this one - Build a DIY LED - which continues the LED theme nicely, following our Build your own LED cube post. It is a fascinating article by ...

The rise of LEDs has changed lighting design in many ways, as they take up little space and draw such low power. The beauty of this DIY desk lamp is in its simplicity and ease of use. This LED desk ...

Air quality in urban areas can be horrendous. For instance, in New York and Los Angeles the air quality is consistently below federal safety levels. So, how do you know how good/bad the air in your ...