The red light-emitting diode was made cheap enough (barely) for commercial use in 1968, but you didn't see many of them in cars until well into the 1980s. The leaders at Honda, though, must have ...

If you’re working with 3.3V or 5V circuits, it’s easy for you to throw on a power or status LED here or there. [Tom Gralewicz] has found himself in a pickle, though, often working on projects with ...

The subject of the little LED indicator light on HTC Windows Phones has cropped up in a few of the WPCentral Forums discussions. Some are pleasantly surprised at seeing the little indicator, some are ...