You can fade out and fade in the light of an LED automatically by using Arduino and a simple code that is described below. Even though the Arduino board cannot output variable voltage on its digital ...

I had the idea of building this Arduino icicle lights project during the making of the light dimmer circuit and the ... if last led delay(1000); // how long the last led stays on // here starts the ...

Now, however, [Jose] has come up with an LED candle that solves all of these problems. (Original link to the project in Spanish.) The heart of the project is an Arduino Pro Mini, which is ...