Catalogue
Filter by chip, radio, runtime, camp, or country. Every seeded entry is designed to grow into a sourced dossier.
Layered-lens physical badge
An official DEF CON 33 non-electronic physical badge by Mar Williams, built around layered art, 3D image interactions, lenses, clue spotting around the con, and an Arts & Entertainment booth badge challenge.
NFC treasure-hunt and LED badge
The second electronic DORS/CLUC badge, built around NFC tag hunting, badge-to-badge interaction counters, LED-display modes, USB configuration and passthrough behavior, a simple game, open source files, and a public production all-nighter writeup.
Limited Colombian NFC hardware-hacking badge
A conservative Colombian DragonJARCON 2025 record for an optional electronic hardware badge and a separate DragonJARCON 2025 NFC hacking badge raffle limited to 100 units.
Artistic sonic RP2040 badge
An official Ekoparty 2025 electronic badge record for a customizable artistic and sonic badge with RP2040 control, I2S DAC audio, headphone and speaker amplification, rechargeable USB-C power, NeoPixel backlight LEDs, resistive touch sensors, sequencer, sample playback, synth behavior, and effects.
Printed attendee badge, lanyard, and safeR badge workflow
A source-backed non-electronic GPN23 badge record for the printed attendee badges and lanyard workflow documented by Entropia's FAQ and badge how-to.
Singapore RP2350 and ECP5 FPGA challenge badge
NUS Greyhats' public GreyBadge archive identifies the 2025 GreyCTF badge as GreyMecha/Army, with RP2350-side CircuitPython firmware, KiCad hardware files, an ECP5U_25 FPGA schematic, GC9A01 SPI display, Li-ion power-path circuitry, summit UF2/filesystem releases, and named challenge apps.
Taiwanese hacker-pet PCB badge with Red-vs-Blue tower play
HITCON 2025's official PCB Badge guide and public technical repository document an attendee PCB badge with a hacker-pet mode, built-in games, pedometer scoring, cross-board interaction, BadUSB behavior, Red-vs-Blue tower-capture play, and released STM32CubeIDE-oriented firmware/PCB project materials.
ESP32-S3 Minino badge for BLE, Wi-Fi, OLED, and badge apps
HackGDL 2025's official Electronic Cats event badge was an ESP32-S3 Minino-platform badge with BLE, Wi-Fi, USB-C, four buttons, three NeoPixels, an OLED screen, buzzer, three-AAA battery holder, SAO connector, case, and ready-to-use badge apps.
Berlin reuse of the Supercon 8 SAO badge with revamped firmware
Hackaday Europe 2025 reused the Supercon 8 Simple Add-On badge concept in Berlin: an SAO-focused badge with I2C/GPIO exposure, MicroPython lineage, revamped Europe firmware, Supercon contest-winner add-ons, and badge-hacking ceremony context.
ESP32-S3 LoRa mesh communicator badge
The 2025 Hackaday Supercon Communicator Badge is a handheld mesh-chat badge with ESP32-S3, 8 MB PSRAM, 16 MB flash, a wide LCD, custom Solder Party keyboard, SX1262 LoRa radio, SMA antenna path, LiPo charging, SAO v2 connector, LVGL MicroPython firmware, public hardware files, and user-app examples.
Badge-team workflow and challenge badge record
A HackerHotel 2025 badge record anchored by the public badge talk, preserving badge-team workflow, challenge integration, production handoff, and lessons learned rather than unsupported component-level details.
RP2350A ICS security badge tool
The ICS Village Badge for DEF CON 33 was a FREE-WILi and Intrepid Control Systems sponsored hands-on industrial-control-security badge tool with RP2350A control, ESP32-C6 Wi-Fi, sensors, GUI support, USB API, WASM scripting, and Build-A-Badge customization software.
Laser-etched recycled paper badge with wildflower seed mixture
Kawaiicon 2025's official badge page documents the Kawaiicon 3 badge as a laser-etched and cut recycled-paper identity artifact made with a wildflower seed mixture and handmade by the Papermill in Whangarei.
Raspberry Pi Pico racing badge
Kernelcon's 2025 Race Condition badge was a Raspberry Pi Pico electronic badge with a TM1637-driven seven-segment display, three-AAA power, seven addressable RGB LEDs, buzzer, track-racing modes, reaction test, synthesizer, achievements, and CTF flag unlocks.
Electronic Cats OLED and nRF24L01 village badge
Electronic Cats' public La Villa Hacker 2025 Badge repository documents a village badge with OLED display, nRF24L01 radio, two-AAA power, Shitty Addon connector, KiCad hardware files, firmware sources, and a released VillaHacker.hex binary.
RP2040 and iCE40 glitching badge for hardware hacking
LayerOne 2025's GLiTCh BadgE was a conference electronic badge and hardware-hacking platform centered on an RP2040, iCE40 FPGA, voltage glitching, crowbar control, SWD, AVRISP, analog monitoring, multiple USB modes, and CLI-driven experiments.
Limited LoRa mesh badge for DEF CON 33 pickup
Lonely Hackers Club's Meshtastic Badge 2025 was a limited 50-unit community badge offered for DEF CON 33 pickup, built around a Heltec Wireless Tracker V1.1 LoRa radio board, preconfigured LHC channel behavior, and attendee pairing workflows.
Pico 2 maritime bus and voltage-glitching badge
The Differential Destroyer was Maritime Hacking Village's official DEF CON 33 badge, published as an OSHWA-certified open hardware platform for maritime bus work, scripting, signal interaction, and experimental voltage glitching.
Unofficial badgelife robot-fighting badge set
NilbinSec's Hack 'Em Crack 'Em Robots was a DEF CON 33 badgelife release announced in the DEF CON #Badge Life forum, sold as a limited full-size badge set through RENXCHANGE, and listed in the DC33 community schedule as a badge drop.
Voodoo Heart electronic badge and Learn to Solder artifact
NolaCon 2025's Patches badge continued the conference's Learn to Solder badge tradition, with the official badge page presenting Patches as a customizable Voodoo Heart-series character whose limbs, LEDs, and personal flair could make each build unique.
ESP32-C3 conference and CTF badge with SAO and IR pairing
NorthSec 2025's official badge repository documents an ESP32-C3-WROOM-02-N4 badge with eighteen NeoPixel RGB LEDs, five buttons, an IR pairing connector, two SAO v1.69bis connectors, USB-C or AAA battery power, and separate conference/CTF firmware builds.
Battery-less ZBD shelf-label badge with per-attendee firmware images
PhreakNIC 26's official electronic badge reused dead-battery ZBD 55c-RB electronic shelf labels as 3D-printed pager-styled badges with static 240x96 one-bit displays, QR-code-backed attendee customization, and on-site reflashing.
Philippine electronic badge and Type-B fallback record
A ROOTCON 19 badge-distribution record documenting electronic badges distributed first-come at on-site check-in, guaranteed electronic badges for Human+ and Blackcard attendees, and a simpler non-electronic Type-B badge fallback.
Official limited Custom Hack.RVA Electronic badge package record
The RVAsec 2025 badge is seeded from the official RVAsec 14 registration page, which listed a guaranteed hotel package with a custom RVAsec challenge coin and a Custom Hack.RVA Electronic badge while supplies lasted. No public 2025 hardware repository, firmware tree, schematic, BOM, or final badge photo provenance was recovered in this pass.
DEF CON 33 RF badgelife badge with dual CC1101 radios
Rabbit-Labs and The Pirates' Plunder Badge was an independent DEF CON 33 collaboration badge that debuted at the Rabbit-Labs vendor booth, with public firmware options, an ESP32-S3-N16R8, two CC1101 433 MHz radios, an OLED, joystick controls, SDIO storage, and 32 WS2812B / NeoPixel LEDs.
Cyber Vigilance owl badge
Recon Village's DEF CON 33 badge entry, The Cyber Owl, was a cyberpunk owl electronic badge with intricate mechanical detail, metallic blue-gray finish, and glowing pink LED eyes.
ESP32 touch-wheel badge with TFT, audio, LEDs, and games
The THOTCON 0xD badge was a Fourfold-built electronic conference badge for the May 30-31, 2025 Chicago event, documented as a 2,000-unit ESP32 touch-wheel badge with ST7789 TFT display, buzzer, six LEDs, LiPo power, add-on header, games, visual effects, and challenge hooks.
Indian hands-on electronic badge village kit
A conservative VULNCON 2025 Solder & Spark Badge Village record for the official IoTSRG-hosted activity where participants built an electronic badge from a kit with PCB, components, soldering tools, battery, switch, and testing time.
Capable hardware, difficult camp history
The Dutch 2025 camp badge mixed ambitious hardware with late distribution, LoRa caveats, battery-safety controversy, and a documented pre-event team conflict.
Antisyphon-sponsored ESP32-S3 badge CTF
The Wild West Hackin' Fest Deadwood 2025 e-badge was the conference's electronic badge and badge CTF artifact. The official WWHF e-badge page identifies Antisyphon Training as the badge sponsor, Meta CTF as the scoreboard/challenge partner, multiple challenges solvable from badge behavior or firmware, and Ray Feltch, David Fletcher, and Rick Wisser as badge-team contacts.
South Korean closed-conference entry badge availability record
Zer0Con's official 2025 page places the closed vulnerability-research conference at Fairmont Ambassador Hotel Seoul on April 10-11, 2025, and POC Security's official update trail described a Zer0Con2025 Entry badge with 100 available seats.
RP2040 galvanic-vestibular badgelife badge
The Tipsy Badge was an independent DEF CON 33 electronic badge by seeess, sold at the Hacker Warehouse vendor booth, with public CC BY-NC 4.0 repository documentation, firmware, a badge photo, 2xAAA power, RP2040 control, TFT display, buttons, LEDs, SAO port, custom photo storage, and galvanic vestibular stimulation modes.
Expanded assembly-created Hub badge system
The 38C3 Hub archived an expanded digital badge system where assemblies created discoverable event badges for visitors, grouped into categories such as General, Exploration, and Help.
Chilean VIP special badge artifact
A conservative Chilean 8.8 Reloaded 2024 record for the special badge included in the conference's first VIP sector package.
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.
First Adelaide Wombat CTF badge with MS51FB9AE, LEDs, micro-USB, and soldering village
BSides Adelaide 2024's first Wombat badge is preserved through creator-published Hackerware and Hackster sources as a full-colour UV-printed CTF hardware badge with Nuvoton MS51FB9AE controller, CH340G USB serial, RGB LED, six challenge LEDs, CR2032 power, and attendee LED soldering.