Retia 2024 DEF CON badge (ESP32-S3): docs, pinouts, flashable firmware incl. DOOM and Meshtastic, examples, KiCad hardware sources
led matrices that are responsive to a photodiode matrix overlayed on top of them. started as a project for IEEE-UH, now it's a little exercise. I plan for the system to be able to scale up and have connectivity across multiple tiles.