A "tune to" sign is placed in the yard as part of the Christmas light show. I wrote this code so that the lights on the tune to sign change color. LED strip lights are connected to the ESP32, which acts as a controller for the lights. At random intervals, the ESP32 picks a color at random and switches the corresponding relays to display the color.
Since this is for a Christmas light show, only a few colors that are related to Christmas have been entered so that they can be selected.
For more information about the Christmas Light Show, you can visit the project page on my website.