Tag dossier
Badge records tagged with USB DFU, across Canada, Lithuania.
nRF51 and STM32 OLED/BLE badge
NorthSec's public 2016 badge repository documents an electronic attendee badge with nRF51822 and STM32F072CB microcontrollers, OLED display, BLE, battery management, touch buttons, red/green LEDs, USB, SWD programming, and STM32 USB DFU support.
nRF51 and STM32 badge with event firmware images
The NorthSec 2017 badge repository documents a dual-MCU electronic badge with nRF51822 BLE/OLED control, STM32F072 USB and touch-button handling, battery management, red/green LEDs, schematic files, website material, and multiple firmware images.
nRF52 OLED/BLE badge with NeoPixels
The NorthSec 2018 badge repository documents an electronic badge with an nRF52832 main controller, STM32F070 USB controller, OLED display, BLE, NeoPixel RGB LEDs, buttons, battery management, Li-ion/USB power, USB charging, and schematic release.
Lithuanian STM32H5 electronic badge with SAO and sensor
An official Lithuanian Security BSides 2026 electronic badge documented by the BSides-Vilnius badge2026 repository as an STM32H563RIT6 board with an SAO connector, an environmental temperature/humidity sensor, an LCD, and USB DFU, built for the June 3-4, 2026 event at Kablys in Vilnius.