Add-on dossier
A linkable lifecycle record for hardware expansions, app ecosystems, firmware upgrades, cases, radio parts, and post-event badge experiments.
The 2021 badge combined ESP32, 240x240 LCD, Wi-Fi, NeoPixels, six buttons, buzzer, and USB or external battery power.
Badge context
Official NorthSec source for ESP32, display, NeoPixels, buzzer, UART, badge flags, FLAGBOT submission, and post-event release framing.
Repository hardware tree for the 2021 badge.
Official repository JPEG photo used as the local rights-cleared badge image under the repository MIT license.
Primary repository README for North Sectoria theme, ESP32, 240x240 LCD, Wi-Fi, NeoPixel RGB LEDs, buttons, buzzer, power, and ESP-IDF workflow.
Source trail
Official badge page for ESP32 hardware, display, NeoPixels, buzzer, UART, badge flags, FLAGBOT submission, and post-event release framing.
Primary technical source for the North Sectoria ESP32 badge hardware and ESP-IDF firmware workflow.
MIT-licensed source image for the official repository photo of physical NorthSec 2021 badge variants; used only for image provenance, not as a standalone hardware-spec source.