Add-on dossier
A linkable lifecycle record for hardware expansions, app ecosystems, firmware upgrades, cases, radio parts, and post-event badge experiments.
The 2016 badge paired nRF51822 OLED/BLE/battery/LED control with an STM32F072 USB and touch-button controller.
Badge context
Official NorthSec source documenting 2016 as the year training sessions were added and every conference and competition attendee received a hardware badge.
Primary repository README for nRF51822, STM32F072CB, OLED, BLE, battery management, touch buttons, LEDs, USB, SWD, USB DFU, and SDK caveats.
Public repository tag preserving the 2016 badge hardware and firmware context.
Source trail
Official lineage source proving that NorthSec 2016 gave a hardware badge to every conference and competition attendee.
Primary technical source for the nRF51822/STM32F072 badge, OLED, BLE, battery management, buttons, USB, SWD, DFU, and software dependency caveats.