Features

Repository

     https://github.com/samuelmh/arduino-smh_7sd

Video example

Components used in the example

Disclaimer

Although I've used only one resistor connected to the common anode, this is not a good thing. The good way will be connecting a 1KΩ resistor to each segment pin (8x 1KΩ resistors) so the voltage they use is always the same.

My decision was based on simplicity.