The driver library is very easy to install, just search the name of the library or the chip number in the Arduino Library Manager. Or if you prefer to download the zip file and start from there: In ...

The LED segments of the display require current-limiting resistors when powered from a 5 V logic pin. The value of the resistor is typically between 330 and 470 ohms. And, driver transistors are ...

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 ...