C1B3RTR4CKS 2026 CH32V003 Badge
Source-backed RGB LED-matrix event badge
SEIF-UAM's public C1B3RTR4CKS 2026 badge repository documents an event badge with a CH32V003 RISC-V microcontroller, 8×16 RGB LED matrix, five-button control surface, public C firmware, games, and a personal-name marquee. The official event site and a contemporaneous attendee report place the physical artifact at the completed May 29 Madrid event; final allocation and production details are not public.