A 2D render of the bottom/back of a small round black PCB. The same four tiny semi-circular cutouts can be seen around the circumference of the circle. The cutouts are labeled I, O, +, and -, along with the text: Fibonacci55 14mm evlgeni.us/f55x14 XL-1010RGBC WS2812B
https://cdn.masto.host/ledssocial/media_attachments/files/112/072/590/892/510/972/original/1fb5be46fb4050a3.png