At this point it might be tempting to argue that it would have been so much simpler to use addressable LED’s, such as the WS2812B or the APA102C. You can drive them using a more basic micro ...

The build relies on a hacker favourite, the WS2812B LED string. The LEDs are set up ... panel to allow the player to control the action. An Arduino Mega runs the show, with a DFPlayer used to ...