CactusCon 12 Badge
source-backed
WS2812B LED archive
The CactusCon 12 board archive preserves WS2812B LED footprints and LED schematic material.
SourceLifecycle
Add-ons & Upgrades
Badge ecosystems keep moving after handout: apps, hexpansions, SAOs, antennas, cases, repair parts, firmware updates, and post-event hardware experiments.
1567 matching add-on(s)
CactusCon 14 Badge
source-backed
WS2812B LED archive
The LED schematic and board archive preserve WS2812B lighting evidence for the CactusCon 14 badge hardware.
Source
ROOTCON 13 Programmable Badge
source-backed but incomplete
Custom programmable conference badge claim
The sponsor prospectus describes ROOTCON as the first Philippine conference to have a custom programmable conference badge, while this pass still lacks component-level hardware and firmware archives.
Source
HackConRD 2024 ATTiny85 Badge
source-backed
First official HackConRD badge
The badge-team writeup says HackConRD used the conference logo for the first iteration of its official badge, marking the beginning of Badgelife in the HackConRD community.
Source
THcon 2026 Badge
officially documented
Badge3000 WiFi access point
The official badge page documents a WiFi access point branded Badge3000 as part of the ESP32-C6 badge interaction surface.
Source
Temporal Replay 2026 Badge
officially documented
Infrared boop networking
Infrared transceivers implement a boop system for badge-to-badge interaction documented in BoopSystem.md.
Source
BSides Des Moines 2026 Badge
officially documented
Integrated ISO 14443A NFC reader
The WCH CH585 integrates an ISO 14443A NFC reader supporting REQA, WUPA, anticollision, RATS, APDU relay, NTAG215 dump, and low-power card detect over the CH585 NFC peripheral.
Source
REcon 2026 Badge
officially documented
LoRa social layer
The release notes document a 915 MHz badge-to-badge LoRa social layer with Radar discovery, Chat, and Flags sharing over the SX1262 radio.
Source
ToorCon 13 Spectrum Analyzer Badge
source-backed
CR2032 sleep/wake and self-test workflow
The project page documents CR2032 power, power-on LED self-test, button wake/sleep behavior, automatic sleep after several minutes, and a low-battery reset symptom.
Source
SAINTCON 2020 Badge and MiniBadge Kit
first-hand documented
Shipped virtual-edition badge package
DC540 first-hand coverage documents that a SAINTCON 2020 badge package arrived for the virtual edition and included the badge itself.
Source
Hackfest 2019 Electronic Badge
official schedule backed
Hackfest 11 badge pickup flow
The 2019 schedule lists badge pickup across opening night and both conference days, placing badges in attendee logistics.
Source
NorthSec 2026 Badge
official schedule backed
Order QR badge pickup
The villages schedule told attendees to retrieve goodies such as their t-shirt and badge using the QR code in their nSec order email.
Source
BSides Porto 2026 Electronic Badge Experience
source-backed event programme
Electronic badge experience
The official about and ticketing text advertises an electronic badge experience as part of the BSides Porto 2026 conference programme.
Source
BSides Des Moines 2026 Badge
officially documented
BOOTSEL bootloader backdoor
Sending BOOTSEL over the USB-CDC serial console jumps into the WCH ISP bootloader for reflashing, complementing the flash station bulk-provisioning tooling.
Source
CHCon 2025 Badge
source-backed
Stack-based pattern VM
Badge users could program custom LED animations with a stack-based bytecode interpreter, persistent flash slots, arithmetic, bitwise operations, and LED opcodes.
Source
BSidesSF 2022 Hardware Village Badge
source-backed
Arduino IDE rubber-ducky workflow
The official village description says participants could program the badge through Arduino IDE to send automated keystrokes for harmless rubber-ducky experiments.
Source
BSidesPDX 2024 OpenTaxus Badge
source-backed
Controller genfiles and flash workflow
The Trick-or-Treat README points to controller code for generating game files and flashing badge-specific storage contents.
Source
HITB+CyberWeek 2021 Packet Hack Badge
source-backed
Packet Hack CTF binary-input mode
The Hackster writeup says holding S1 launches Insert Code mode, where right-side keys enter a Packet Hack CTF binary value and S2 clears input.
Source
ToorCon 20 Official Badge
source-backed
8-bit art and hidden code surface
The log says the badge carried 8-bit art plus many codes in many places while withholding the exact meanings and Gerber artwork.
Source
DORS/CLUC 2025 Badge
historical
NFC treasure hunt
The 2025 badge asked attendees to find NFC tags hidden around the conference area and also interact with other badges for a counter-based quest.
Source
AND!XOR DC26 Badge
source-backed
LULZCODE badge scripting
The LULZCODE log describes a LOLCODE-derived badge language extended for microcontroller peripherals, with high memory usage that drove the ESP32-WROVER external-RAM choice.
Source
AND!XOR DC25 Badge
source-backed
TCLish scripting and GPIO
The scripting log documents TCLish language support plus badge-specific graphics, LED, button, timing, file, and GPIO commands for day-one badge hacking.
Source
LayerOne 2019 Voight-Kampff Badge
partial archive
ATtiny and ESP32CAM source trail
The public CharlieX repository preserves ATtiny source material for the badge and documents ESP32 camera-board firmware context without treating the camera board as the main badge controller.
Source
RVAsec 2022 Badge
source-backed
Badge apps and games
The app tree includes Badge Monsters, Maze, Lunar Lander, Smashout, Spacetripper, Slot Machine, Cube, Game of Life, Ghost Detector, Hacking Simulator, and other app examples.
Source
LayerOne 2017 CAN Bus Badge
partial archive
CAN logger and emulator experiments
The development logs describe CAN logging, ECU reflashing experiments, J2534-adjacent PC software, NES emulator memory access over CAN, and PC-versus-badge gameplay ideas.
Source
LayerOne 2018 ESP32 Alexa Badge
partial archive
ESP32 Alexa source trail
The linked CharlieX repository preserves an ESP32 Alexa experiment source trail derived from MakerAsia work, which the catalogue records without claiming a complete deployed production voice-assistant service.
Source
RVAsec 2024 Badge
source-backed
Expanded 2024 app tree
The app tree includes AA Gunner, Badgey, Battlezone, Clue, Moon Patrol, Rover Adventure, Tank vs Tank, and other badge apps/games.
Source
RVAsec 2023 Badge
source-backed
Expanded badge games
The repository includes Asteroids, Battlezone, Clue, Pong, Tank vs Tank, Magic 8 Ball, Badge Monsters, Maze, and other apps/games.
Source
39C3 Cyberwatch Badge
needs completion
Firmware expectation context
Project sources indicate a base firmware expectation around congress time and a prebuilt firmware trail for shard use, but they do not confirm a complete public production release artifact set for all build variants.
Source
RVAsec 2012 Badge
source-backed
Four-button text and code input
The release firmware maps four P2 inputs to up/down/left/right behavior, text entry, logo selection strings, an elite LED state, and a Konami-style `99 LIVES!` path.
Source
NorthSec 2019 Badge
archived
Games, challenges, and schedule apps
The repository tag preserves firmware apps, games, challenge material, schedule code, BLE control, and LED control utilities.
Source
LayerOne 2015 Dual Electronic Badges
documented
UDP RGB drive path
The project details say PSoC routines were back-ported from a PC lightserver and left able to receive patterns or blocks of RGB values over UDP from another Wi-Fi device.
Source
LayerOne 2016 Conference Badge
partial archive
Wi-Fi controlled LED behavior
The all-at-once log reports that the LEDs were being controlled from a PC over Wi-Fi after ESP8266 orientation, reset, GPIO, noisy-power, and capacitance debugging.
Source
DC503 DEF CON 26 VIP Banglet
source-backed
Bluetooth recon scanner
The README calls the Banglet a fully functional Bluetooth recon device, and the main firmware starts scanner behavior while advertising a BLEUART service.
Source
DC503 Wagon Party Badge
source-backed
Three-mode firmware shell
The main loop cycles between wagon, hunt, and party modes when the mode input changes, keeping the badge centered on local interactive display behavior.
Source
CypherCon 2017 Cube Badge
historical
Vintage time-sharing emulator
After the relay-computer game path, the badge became an emulator for a vintage time-sharing operating system where attendees could write code.
Source
AND!XOR DC26 Badge
source-backed
CP2102N USB serial console
The retrospective and Hackaday review document the micro-USB CP2102N path used to expose the serial console for the B.E.N.D.E.R. game after the DC25 wireless terminal experience.
Source
THOTCON 0x8 Badge
source-backed
USB serial map and help menu
USB serial access at 9600 baud exposed tesserHack map and help views for playing the maze with clearer coordinate feedback.
Source
AND!XOR DC24 Bender Badge
source-backed
USB serial terminal and shell
Hackaday documented USB CDC serial behavior at 115200 baud and a terminal mode, while project logs describe a shell for badge control and extra interactions.
Source
BSides Lisbon 2025 Electronic Badge
source-backed
Badge sponsor slot
The official sponsor page has a Badge Sponsor section naming BitSight, supporting the 2025 badge sponsorship trail.
Source
ROOTCON 20 Planned Badge
source-backed
ROOTCON black and electi badge taxonomy
ROOTCON's FAQ and Black Badge policy define electronic, non-electronic, black, and electi badge categories used to frame the planned RC20 badge record without inventing shipped hardware details.
Source
JawnCon 0x1 Modem Badge
officially documented
Hayes SmartModem industrial design
The official write-up identifies the Hayes SmartModem as the badge's visual and command-set inspiration for the late-1980s/early-1990s event theme.
Source
ShmooCon 2018 WiFi Rocket Badge
attendee-reported
Battery-powered WiFi signal meter
The badge was described by an attendee as a practical, battery-powered WiFi signal-strength meter rather than a decorative-only blinky.
Source
BSides Canberra 2016 Arduino Running-Order Badge
source-backed
Conference running-order display
The badge displayed the conference running order, making the 2016 badge a practical attendee schedule surface.
Source
BSides Leeds 2026 Artie the Owl Badge
officially documented
Nine-minute countdown timer
The firmware includes a nine-minute countdown timer mode usable as a practical con timer, alongside Knight Rider, breath, spin, and looping-eye animation modes.
Source
BugCON 2024 Badge
source-backed
Community ESP32-C6 OLED badge
The community variant used ESP32-C6 hardware with USB, two AA batteries, LEDs, and a 128x32 0.91-inch I2C SSD1306 OLED.
Source
LCA2021 SwagBadge
source-backed
DagBadge build path
The LCA2021 Open Hardware Miniconf page said attendees who missed out on a SwagBadge could order components and make a DagBadge from scratch.
Source
Recon Village DC31 The Spy Silhouette Badge
officially documented
Speaker badge and lanyard variant
The DEF CON 31 entry documents LED illumination, a speaker badge variant, and a custom Recon Village lanyard.
Source