If you’re like us, you’ve never spent a second thinking about what happens when you dunk an ordinary LED into liquid nitrogen. That’s too bad because as it turns out, the results are pretty ...

NeoPixels, or WS2812 RGB LEDs, are the display device du jour for impressive and blinding lighting projects. Commonly known for very tight timing requirements, [Josh] discovered this is, in fact, ...

In my previous column, we covered quite a lot of ground, starting with the first vacuum tube diodes, moving to their solid-state (semiconductor) descendants, and progressing to their light-emitting ...

LEDs have a special place in every maker's heart, and it's because we all love the ability to create light at moment's notice. Almost every project I have made over the last two decades has included ...

I spend quite a lot of time giving talks to newcomers to the world of electronics. There are some topics that never seem to grow old. One of these is the subject of light-emitting diodes (LEDs). Even ...