Add-on dossier
Bluetooth recon scanner
A linkable lifecycle record for hardware expansions, app ecosystems, firmware upgrades, cases, radio parts, and post-event badge experiments.
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board file
Eagle board source for the DC503 2018 Banglet hardware archive.
Badge: DC503 DEF CON 26 VIP Banglet
firmware example
BLEUART interaction sketch documenting commands such as list, rainbow, patriot, and off for badge interaction experiments.
Badge: DC503 DEF CON 26 VIP Banglet
firmware source
Main firmware source for BLEUART service, scanner behavior, unique names, NeoPixel output, `/list` interaction, and party-badge operation.
Badge: DC503 DEF CON 26 VIP Banglet
firmware workflow
Sketch documentation source describing the Feather-style nRF52/Bluefruit board, NeoPixel data on A0, and Arduino/Adafruit setup path.
Badge: DC503 DEF CON 26 VIP Banglet
hardware and firmware source repo
Public PDX Badgers repository for the DEFCON 26 DC503 VIP Banglet wrist badge, with README, license, Eagle CAD, firmware sketches, and 3D-print files.
Badge: DC503 DEF CON 26 VIP Banglet
license
Repository Apache-2.0 license file; used as project-code/documentation licensing evidence, not as a cleared badge-photo source.
Badge: DC503 DEF CON 26 VIP Banglet
mechanical enclosure documentation
Repository mechanical source describing soft and hard bangle shells, clear flexible material, hinge wire, magnets, and heat-shrink retention.
Badge: DC503 DEF CON 26 VIP Banglet
official speaker page
Official speaker page source stating that the DC503 badge was a Bluetooth LE bangle rather than a neck badge.
Badge: DC503 DEF CON 26 VIP Banglet
official talk schedule
Official schedule source placing Nisha Kumar's Making of the Banglet talk after the BSidesPDX 101 session.
Badge: DC503 DEF CON 26 VIP Banglet
project readme
Primary repository README for the wrist-badge premise, Bluetooth recon and hidden-party-mode framing, team credits, and Adafruit acknowledgement.
Badge: DC503 DEF CON 26 VIP Banglet
schematic
Eagle schematic source for the DC503 2018 Banglet hardware archive.
Badge: DC503 DEF CON 26 VIP Banglet
BSidesPDX · retrieved 2026-05-15
Official talk-schedule source placing Nisha Kumar's Making of the Banglet talk at BSidesPDX 2018.
Badge: DC503 DEF CON 26 VIP Banglet
BSidesPDX · retrieved 2026-05-15
Official speaker-page source describing the DC503 badge as a Bluetooth LE controlled bangle rather than a neck badge and naming Nisha Kumar as presenter.
Badge: DC503 DEF CON 26 VIP Banglet
GitHub / PDX Badgers · retrieved 2026-05-15
Primary license source documenting Apache-2.0 terms for the repository; no local image is derived from repository media in this pass.
Badge: DC503 DEF CON 26 VIP Banglet
GitHub / PDX Badgers · retrieved 2026-05-15
Primary mechanical source for soft and hard bangle enclosures, hinge, magnets, and electronics retention details.
Badge: DC503 DEF CON 26 VIP Banglet
GitHub / PDX Badgers · retrieved 2026-05-15
Primary firmware workflow source for Feather-style nRF52/Bluefruit form factor, A0 NeoPixel data, and Arduino/Adafruit setup instructions.
Badge: DC503 DEF CON 26 VIP Banglet
GitHub / PDX Badgers · retrieved 2026-05-15
Primary project source for the Banglet wrist-badge framing, Bluetooth recon device and hidden party modes, team credits, and Adafruit acknowledgement.
Badge: DC503 DEF CON 26 VIP Banglet
GitHub / PDX Badgers · retrieved 2026-05-15
Primary firmware source for BLEUART service, scanner behavior, NeoPixel LED count and pin, generated names, `/list` interaction, and badge operation.
Badge: DC503 DEF CON 26 VIP Banglet
GitHub / PDX Badgers · retrieved 2026-05-15
Primary repository source for the DEFCON 26 DC503 VIP Banglet hardware, firmware sketches, 3D-print files, Apache-2.0 license, and contributor trail.
Badge: DC503 DEF CON 26 VIP Banglet