You can fade out and fade in the light of ... though the Arduino board cannot output variable voltage on its digital pins there is a way to generate a rectangular signal that walks periodically ...

Here, it runs the logic that turns the lights on and off. I used an Adafruit ItsyBitsy—a tiny Arduino variant that’s only 1.4 by 0.7 inches ... single strand of 50 LED lights, but if you ...

Although it’s an amazing DIY project, we noted that most of the readers are looking for more advanced circuits using multiple seven-segment light emitting diode displays. Here is a simple, yet useful ...