This PCB was designed for some workshops that I hosted at the 2025 Dinacon conference
Pushing my limited artistic boundaries, yet trying to make something that people can experiment with code and color. You can find out more information on the 'SAO' connector here: Simple-Add-On Tester PCB
There are five reverse mounted SK6812-mini-e RGB LEDs (purchased from lcsc.com, p/n: C5149201) and a 256 byte EEPROM (stores an ID string).
You can find the KiCad PCB design and example code files on my Gitlab repo
The fun side: