The CULD is designed as a simple LED indicator that will light up anywhere from 5V to 50V. It’s intended to be set-and-forget, requiring no fussing with different resistor values and no worries ...

Here’s an LED indicator which was made at home out of a Silicon Carbide (SiC) crystal (Internet Archive Mirror). The concept is simple, but a bit of trial and error ...

A light source that is created by a light emitting diode (LED). For decades, LEDs have been used as indicator lights on myriad products; however, starting in the 2000s, they began to replace ...

The new LED combination lamp presents itself in a modern, rectangular design language and combines three lighting functions ...

The semiconductor light-emitting diode ... Increasingly, cars are equipped with LED indicator and brake lights. Most crucially, however, the LED is a vital link between electronics and photonics ...