Tag dossier
Badge records tagged with CH340C, across Canada, France.
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.
French ESP32-C6 B.A.D.G.E. with OLED, SAO, and BLE color propagation
The official THcon 2026 B.A.D.G.E. page documents an ESP32-C6 electronic badge with the Badge3000 WiFi access point, an I2C OLED at address 0x3C, and BLE padlock and one-time-password challenges for the May 5-6 tenth edition in Toulouse. A May 13 first-hand attendee teardown identifies the distributed board as an ESP32-C6-WROOM-1 build with an SSD1306 OLED, WS2812 RGB LED, ATC24C04 EEPROM, SAO connector, single-cell battery/TP4056 charging path, and USB-C CH340C serial bridge; it also documents the delivered firmware's BLE color-command propagation behavior.