NorthSec 2022 Badge
ESP32 return-to-hallway badge with SAO hardware archive
NorthSec 2022 now has a source-backed badge record from NorthSec's official past-editions page and the public nsec-badge archive: an ESP32 WROOM32 electronic badge with CH340C USB serial, MCP73831 LiPo charging, AP2112 3.3 V regulation, twenty-four WS2811/5050 RGB LEDs, 0805 status LEDs, production Gerbers, BOM files, challenge image assets, and multiple SAO hardware directories.