Add-on dossier
Conference badge firmware exploration
A linkable lifecycle record for hardware expansions, app ecosystems, firmware upgrades, cases, radio parts, and post-event badge experiments.
Back to add-ons index
firmware reverse engineering
Jean Privat's 2025 writeup documents USB-C/esptool firmware dumping, ESP32-C3 detection, partition extraction, factory-app identification, firmware strings for badge-network and persistence components, and attempts to patch the original firmware.
- Badge
- NorthSec 2025 Badge
- Type
- firmware reverse engineering
- Status
- first-hand writeup
- Compatibility
- NorthSec 2025 Badge
- Source
- https://hubert.hackin.ca/posts/nsec25-badge1/
challenge writeup
First-hand writeup by Jean Privat documenting the 2025 soldering-village challenge add-on, eight-LED troubleshooting, SAO table context, scrambled code behavior, and recovered flag trail.
Badge: NorthSec 2025 Badge
event page
Official NorthSec source for May 10-18, 2025 dates, Bonsecours Market venue, Montreal location, and event context.
Badge: NorthSec 2025 Badge
first-hand badge writeup
First-hand writeup by Jean Privat documenting NorthSec 2025 badge exploration, ESP32-C3 confirmation, USB-C/esptool firmware dumping, partitions, factory app behavior, IR/social-credit context, LEDs, buttons, and firmware patching attempts.
Badge: NorthSec 2025 Badge
hardware source
Repository hardware tree containing badge KiCad files, BOM material, baseboard directories, SAO/add-on material, panelization, test firmware, and the official raster render.
Badge: NorthSec 2025 Badge
hardware source
One-page schematic PDF published in the official repository for component-level hardware reference.
Badge: NorthSec 2025 Badge
image source
Official transparent PNG repository render used as the rights-cleared source for the local WebP badge image.
Badge: NorthSec 2025 Badge
license metadata
Repository REUSE dep5 metadata marking hw/* as MIT-licensed NorthSec material.
Badge: NorthSec 2025 Badge
official writeup index
Official NorthSec write-up index linking the 2025 Conference badge and Soldering village challenge writeups by Jean Privat.
Badge: NorthSec 2025 Badge
source
Raw README source for ESP32-C3-WROOM-02-N4 hardware, 18 NeoPixel RGB LEDs, buttons, IR pairing connector, SAO connectors, power, PlatformIO, and firmware workflows.
Badge: NorthSec 2025 Badge
source
Official public repository preserving the NorthSec badge firmware, hardware, README, license, and 2025 hardware tree.
Badge: NorthSec 2025 Badge
Hubert Hackin' / Jean Privat · retrieved 2026-05-15
First-hand badge writeup source for ESP32-C3 confirmation, USB-C/esptool firmware dumping, firmware partition inventory, factory application behavior, IR/social-credit references, LEDs, buttons, and firmware patching attempts.
Badge: NorthSec 2025 Badge
Hubert Hackin' / Jean Privat · retrieved 2026-05-15
First-hand challenge writeup source for the soldering-village add-on, LED polarity and defect troubleshooting, pin/VCC behavior, SAO context, scrambled LED code, and submitted flag trail.
Badge: NorthSec 2025 Badge
NorthSec · retrieved 2026-05-15
Official NorthSec index source for 2025 competition writeups, including the Conference badge and Soldering village challenge links by Jean Privat.
Badge: NorthSec 2025 Badge
NorthSec · retrieved 2026-05-15
Official event source for dates, Bonsecours Market venue, Montreal location, and NorthSec 2025 context.
Badge: NorthSec 2025 Badge
NorthSec / GitHub · retrieved 2026-05-15
Primary technical source for ESP32-C3-WROOM-02-N4 hardware, RGB LEDs, buttons, IR pairing, SAO connectors, power, PlatformIO, conference/CTF firmware targets, serial monitoring, and team credits.
Badge: NorthSec 2025 Badge
NorthSec / GitHub · retrieved 2026-05-15
Repository schematic PDF source used to corroborate the public hardware-release scope.
Badge: NorthSec 2025 Badge
NorthSec / GitHub · retrieved 2026-05-15
License metadata source for treating the hw/2025 badge render and hardware files as MIT-licensed NorthSec repository material.
Badge: NorthSec 2025 Badge
NorthSec / GitHub · retrieved 2026-05-15
Primary hardware-source tree for the 2025 KiCad design, BOM, schematic, panelization, add-on material, and official raster image.
Badge: NorthSec 2025 Badge