Regular readers may recall we recently covered a neat Arduino trick that allowed you to “blow out” an LED as if it was a candle. The idea was that the LED itself could be used as a rudimentary ...

Flickering LED tea lights are a friendly and safe alternative to having flaming little pots of wax situated around your home, but sometimes the flicker scheme leaves something to be desired. [Roger ...

Candle technology hasn’t changed much in thousands of years—you add fire to a wax-soaked wick, and it provides light for hours. It’s simple, it’s effective, and it doesn’t need an upgrade. So of ...