Nuit du Hack 2014 Collector Badge
Assemble-and-hack Black Badge challenge
A limited collector badge and hardware-hacking challenge from Nuit du Hack 2014, with public challenge rules, writeups, and a Virtualabs repository.
Tag dossier
Black Badge
Badge records tagged with Black Badge, across France, Philippines, United States.
DerbyCon 7.0 Legacy Black Badge
Special lifetime-access electronic award badge
The DerbyCon 7.0 Legacy Black Badge was a special electronic black-badge award artifact made for DerbyCon 2017, using an Atmel XMEGA core, a large LED-heavy PCB, laser-cut acrylic, custom STL work, and first-hand published build notes.
ROOTCON 19 Badge
Philippine electronic badge and Type-B fallback record
A ROOTCON 19 badge-distribution record documenting electronic badges distributed first-come at on-site check-in, guaranteed electronic badges for Human+ and Blackcard attendees, and a simpler non-electronic Type-B badge fallback.
ROOTCON 20 Electronic Badge
ESP32-S3 Meshtastic LoRa badge with Type-B fallback
The ROOTCON 20 con-goers guide documented a September 2026 badge distribution model: electronic badges distributed first-come during on-site check-in while supplies last, with a simpler Type-B non-electronic badge fallback. After the September 23-25 event, ROOTCON's official media server published a post-event ROOTCON 20 drop on September 28, 2026, including rc20-human-fw.bin, a compiled ESP32-S3 firmware image that identifies itself as the ROOTCON 20 Badge and runs a Meshtastic LoRa mesh stack on an SX1262 radio with an SSD1315 OLED, four WS2812B LEDs, and Tetris and Breakout games.