Mercator is a spherical persistence-of-vision display based on ESP32 and DotStar LEDs. This repo contains the full source files, laser cut and 3D printed parts designs, and custom PCB design.
For more details, please check out the article here: https://mdwdotla.medium.com/mercator-an-esp32-based-spherical-persistence-of-vision-display-a4beff4f826e
