Add-on dossier
A linkable lifecycle record for hardware expansions, app ecosystems, firmware upgrades, cases, radio parts, and post-event badge experiments.
The original PACMAN-themed badge firmware's native quiz-server CTF protocol was reversed by the community. The community repository is not an official RootedCON release.
Badge context
Community replacement firmware for the RootedCON 2026 ESP32 badge, documenting WiFi scanner, evil-twin detection, deauth, and crypto utilities on the same hardware.
Community repository repurposing the RootedCON 2026 CTF badge as a wireless controller for a fighting robot over ESP32, TFT, and d-pad.
Community repository reversing the RootedCON 2026 Pacman Badge firmware, including arcade mode, Marauder integration, and the native quiz-server CTF protocol, published under GPL-3.0.
David Melendez Cano's public TechFrontiers write-up describes building the PACMAN Ghost attendee boards, their color variants, ESP32-WROOM-32, LiPo/UVLO/USB-debug surface, ESP-NOW CTF architecture, and signed question/answer model. It is direct builder evidence, not an official RootedCON source release or a reusable-image grant.
Official RootedCON source for the March 5-7, 2026 sixteenth edition at Kinepolis, Madrid.
Source trail
A direct April 6, 2026 project-builder account of the RootedCON PACMAN Ghost boards, attendee color choices, ESP32-WROOM-32, power/debug architecture, ESP-NOW game interaction, per-badge identity/key material, and signed CTF-question/answer design. It does not provide an official RootedCON archive, complete production data, image-reuse permission, or a safe operating guide.
Primary community source for the ESP32-D0WD-V3, ST7735 1.77-inch 128x160 display, D-pad, and native quiz-server CTF protocol reconstruction, published under GPL-3.0.
Community source corroborating the ESP32 DevKit hardware and documenting the WiFi auditing custom firmware replacement surface.
Community source corroborating the ESP32, TFT, and d-pad hardware by repurposing the badge as a wireless robot controller.
Primary official source for the March 5-7, 2026 sixteenth edition, Kinepolis Madrid venue, and Spanish cybersecurity-conference context.