Tag dossier
Badge records tagged with LEDs, across Germany, India, Sweden, United Kingdom, United States.
HackRVA electronic badge with LEDs, IR, audio, and USB
The RVAsec 2013 badge was a HackRVA-built electronic conference badge documented by official RVAsec and HackRVA sources, with LEDs, infrared badge-to-badge play, a piezo speaker, USB support, and badge-game behavior tied to conference interaction.
EMW2013 LED and IR badge
A small Electromagnetic Wave badge with ATTiny44A, 20 location LEDs, IR receiver/transmitter, unique-ID beacon behavior, coin-cell power, and a ship-wide treasure hunt.
PIC32 badge with LCD, IR, capacitive sliders, and public firmware
The RVAs3c 2014 badge was a redesigned HackRVA electronic badge whose official preview and public firmware source document a PIC32-based platform with LCD, infrared, capacitive sliders, LEDs, speaker, micro USB, and game/application code.
Battery-powered WiFi signal-strength badge
The ShmooCon XIV badge is preserved here as a battery-powered WiFi signal-strength meter from the 2018 Washington, DC conference, with corroborating public notes for an ESP8266 core, serially addressable LEDs, and an injection-molded rocket enclosure.
UV-printed cyberpunk skyline CTF badge
A full-colour UV-printed Security Fest badge inspired by Gothenburg's skyline with a cyberpunk treatment, backside-mounted components, Micro-USB CTF interface, cryptography puzzles, and soldering-village LED personalization.
CCCamp 2023 music and light badge
A petal-shaped electronic instrument where touch and gestures become sound and light.
First AvengerCon electronic scavenger-hunt badge
The AvengerCon VIII 8-8-8 badge was the conference's first electronic badge, documented by U.S. Army public-affairs coverage as a scavenger-hunt badge where attendees collected codes to light LEDs or hacked the badge to bypass the contest.
Music-and-airship CTF building badge
A Security Fest 2024 badge shaped around Gothenburg's Feskekôrka fish-market landmark, with piano/touch-key gameplay, an airship story CTF, LEDs, USB-C serial interaction, and documented attendee/speaker/crew variants.
Four-button, four-LED challenge badge
Bug Bounty Village's BBV Badge 2025 was a DEF CON 33 village challenge badge with four buttons, four corresponding LEDs, and a reward path for attendees who lit all four LEDs.
Sold-out independent ESP32-S3 wrist badge with a second-run interest list
Bryce's official Clip-Boy shop explicitly presents Clip-Boy as an unofficial DEF CON 34 electronic badge: a wrist-mounted ESP32-S3 artifact with maker-described Wi-Fi/Bluetooth analysis tools, deauthentication detection, customizable LEDs, a theremin, collectibles, and a 3D-printed enclosure. Its live public inventory endpoint currently shows the complete first run at zero availability: 86 $120 Standard, 25 $130 Pro, and five $140 RAD badges, while the storefront says all 152 first-run units shipped and is only gauging interest for a possible second run. The seller states units ship in a passive listen-only mode and that a user may load an optional research build with additional capabilities for authorized testing. This is a current source-backed independent badge record, not a claim of official DEF CON affiliation, DEF CON admission, final hardware/BOM, delivered-unit receipt, a universally available research build, safe/legal use in every jurisdiction, or reusable-image rights.
Sold-out independent three-SAO monorail badge for DEF CON 34
Zach's Hacks' live Shopify listing calls the Monorail Con Badge sold out and says preorder customers will receive pickup details by email, while noting there may be a few extras to trade in person. Its current public product payload marks all three purchase options unavailable: a $65 badge-and-SAOs option, a $150 bundle option that adds Dani.pink's separately made Laser* Tag Badge DS, and an $80 voluntary extra-payment option. The listing describes a small monorail on a track, a clip for a paper ticket not included, three SAOs, a speaker/mini-SD sound surface, blinky lights, and a regulated 3.3 V supply from two AAA batteries. The maker explicitly says final versions may vary and that it has no affiliation with the Las Vegas Monorail. This is a source-backed independent pre-event badge record, not evidence of final manufactured specification, fulfilled pickup/trade, included transit fare, common hardware/firmware ownership with the bundled Laser* Tag badge, DEF CON organizer affiliation, conference admission, or reusable-image rights.
Planned open-hardware CH32V003 light-up Simple Add-On for DEF CON 34
The maker-owned public `keeloi79/not-a-crosswalk-sao` repository explicitly calls Not Just a Crosswalk a Simple Add-On (SAO) project for DEF CON 34. Its README documents a CH32V003 F4P6 RISC-V controller, eighteen side-emitting addressable LEDs, persistent palette/effect settings, two controls, 3.3 V host-badge power stepped to 5 V or a USB-C 5 V input path, and claimed SAO V1.69bis/V2.0 compatibility. The source tree includes documentation, schematics, firmware, build instructions, and a three-part license declaration: CERN-OHL-S v2 hardware, GPLv3 firmware, and CC BY-SA 4.0 documentation/creative works. This is a source-backed planned independent DEF CON 34 add-on, not evidence of a final manufactured run, price, sales channel, quantity, pickup, recipient, host-badge test matrix, electrical-safety validation, official DEF CON affiliation, admission right, or rights-cleared badge image.
Maker-documented ATtiny85 Hardware Village CTF badge soldered in Goa
The official Seasides and HW101 pages establish a Goa Hardware Hacking Village where people soldered take-home badges and worked on a hidden hardware/firmware challenge. A public project-owner archive calls a concrete board the Seasides 2026 Roulette Badge, says that more than 300 participants assembled it live, and publishes its C firmware, schematic, and Gerbers. The archive makes this a source-backed maker-documented instance of the village badge, but the official event pages do not independently name the Roulette design or confirm that every village or conference badge used that exact final configuration.