Hackers have loved LEDs from day one, back when they gave us little more than a dim spot of colored light in the darkness. These days, they’re big, bright, and beautiful, and can be used to create ...

They’re consistently popular with the readers, which is admittedly part of my (and EDN’s) motivation to continue doing them. But I personally also find them fascinating; inevitably I come across at ...

Some projects end up being more objet d’art than objet d’utile, and we’re fine with that — hacks can be beautiful too. Some hacks manage both, though, like this study in silicon and gallium under ...

Before we describe how it’s done, note that we recommend that the result be checked as having sufficient brightness for a stop & tail-light application. That’s because the light output may be ...

LEDs have led to a revolution in lighting. Most of us tend to think of this in specific ways, though. Light bulbs that sip energy and don’t need to be replaced for decades. Christmas lights that never ...