HackerHotel 2027 Badge
Planned Badge.Team LoRa keyboard badge
A pre-event HackerHotel badge record based on Badge.Team's public plan for LoRa, a keyboard, a big screen, and an ESP32-P4-class processor.
Catalogue
Filter by chip, radio, runtime, camp, or country. Every seeded entry is designed to grow into a sourced dossier.
Planned Badge.Team LoRa keyboard badge
A pre-event HackerHotel badge record based on Badge.Team's public plan for LoRa, a keyboard, a big screen, and an ESP32-P4-class processor.
Planned nRF52840, SX1262 LoRa, BLE, and NFC badge
A future BornHack badge entry currently documented by Badge.Team through sponsor credits and a concise hardware-feature list.
Pre-event unique hardware badge challenge
A current pre-event record for RomHack Camp 2026, whose public event site advertises a unique hardware badge and collectible challenge rather than final shipped hardware details.
Pre-event ticket ID and wristband camp record
A conservative pre-event Camp++ 2026 record for attendee identity: the official camp pages document August 6-9 2026 dates, Fényes Camping in Tata, required ticket registration, random ticket IDs checked at the campsite gate, legally required reception check-in, and wristband pickup at camp registration.
ESP32-S3 MicroPython game badge
A Finnish Disobey badge built around ESP32-S3, a 1.9-inch TFT display, SK6812MINI RGB LEDs, joystick/buttons, MicroPython game firmware, OTA setup, web flashing, badge competitions, and a public hardware/firmware repository.
Lecco reuse of the Supercon 2025 LoRa mesh badge
Hackaday Europe 2026 brought the 2025 Hackaday Supercon Communicator Badge to Lecco: a retro-styled keyboard badge with LoRa mesh experimentation, MicroPython/LVGL app support, and post-event Meshtastic reflash framing.
Planned Portuguese BSides electronic badge experience
A conservative pre-event record for BSides Porto 2026's advertised electronic badge experience, anchored to the official site and ticketing page rather than component-level badge documentation.
Icelandic Security BSides printed badge and merchandise sponsorship trail
A conservative Icelandic Security BSides identity-artifact record: the official BSides Reykjavik 2026 event page anchors the March 18, 2026 Valur FC Club House conference, and the official sponsorship package lists Platinum sponsor logo placement on badges and merchandise.
Madrid Hackplayers electronic development-board CTF badge
A source-backed Spanish hacker-conference electronic badge record: the official h-c0n post says Hackplayers finally produced an electronic badge for the sixth 2026 edition, describes it as a fully functional development board, and ties pickup to the February 6 conference registration and CTF start; the public `therealdreg/hcon2026hwctf` repository and Hackplayers post-event write-up document RP2350/RISC-V firmware, tooling, named co-creators, and winner write-ups.
Planned ESP32-C6 hackable badge for CONFidence
A planned official electronic badge for CONFidence 2026 in Krakow, documented as a hackable ESP32-C6 platform with OLED display, I2S audio amplifier, six navigation buttons, rechargeable LiPo power, firmware challenges, and an 8-pin expansion port.
Polish conference-floor identity badge
A conservative x33fcon 2026 identity-artifact record: the official conference page documents the June 11-12, 2026 Gdynia edition and the terms page says all people on the conference floor must have a visible badge at all times.
Planned electronic Human badge with SAO specs
DEF CON's official preregistration copy guarantees an onsite DEF CON 34 Human badge, and the official media server publishes DC34 SAO electrical and mechanical specifications that make the 2026 badge a source-backed planned electronic-badge record.
ESP32-C3, CC1101, TFT, games, and RF badge
HackConRD 2026's eBadge was documented by the official HackConRD site, the EBADGE+ ticket tier, the interactive eBadge page, and a public firmware repository that describes an ESP32-C3 badge with ST7789 TFT, CC1101 433 MHz radio, WS2812B LEDs, buzzer, four-button navigation, games, RF friend exchange, fox hunting, learning modules, and persistent profile settings.
Pre-event planned electronic shelf-label follow-up
A conservative pre-event record for Tyler Crumpton's public plan to bring an even cooler MK.II electronic shelf-label badge to PhreakNIC 27, currently scheduled for November 6-7, 2026.
Official Tampa badge/lanyard challenge and Uber Badge award trail
BSides Tampa 2026 is represented here by official attendee-badge and badge-challenge sources: the current FAQ says every participant gets a badge and lanyard, the badge-challenge page tells attendees that their badge is part of the puzzle, and the Uber Badge page records the lifetime-admission award path for badge-challenge winners.
Badge Pirates ESP32-S3 hardware archive
The CactusCon 14 badge is preserved through Badge Pirates' public CC14 repository, which publishes KiCad design files, schematic PDF, interactive BOM, Gerbers, STEP exports, 3D-printable enclosure parts, and art assets for the 2026 CactusCon conference badge.
limited first-180 ticket PCB badge
SECCON 2026 is represented by an official pre-event ticket source that says eligible passes include a PCB badge with CTFs and features, limited to the first 180 registrants.
ESP32 portable CTF badge
BSides San Diego 2026 handed attendees a Cyberpunk Bunny electronic badge: an ESP32-powered portable CTF with cryptography challenges, wireless hacking, hidden secrets, an accelerometer-driven oracle, BLE co-op behavior, and an ultimate hidden flag path.
ESP32 weather and crank-powered quest badge
Kernelcon's 2026 Off Grid badge is an ESP32 weather-prediction and quest badge with BME280 temperature, humidity, and pressure sensing, twenty addressable RGB LEDs, AAA and hand-crank power modes, BLE/proximity scanning, and MicroPython firmware.
Official social electronic badge with soldering-village enhancement trail
NorthSec 2026's official registration page lists a new social electronic badge as an included item for conference, CTF, combo, and training ticket holders while supplies lasted. The official villages and community-schedule pages document badge pickup through attendees' nSec order QR codes, soldering-village activity where attendees could enhance their badge with blinking electronic parts, plus a badge museum showing NorthSec's electronic-badge history.
Planned official limited Custom Hack.RVA Electronic badge package record
The planned RVAsec 2026 badge is seeded from current official RVAsec 15 registration/package material listing a limited Custom Hack.RVA Electronic badge. Because the event is scheduled for June 9-10, 2026, this record is pre-event and does not claim shipped hardware, final firmware, production quantity, or attendee distribution outcomes.
Philippine planned electronic badge and Type-B fallback
The ROOTCON 20 con-goers guide documents a planned September 2026 badge distribution model: electronic badges distributed first-come during on-site check-in while supplies last, with a simpler Type-B non-electronic badge fallback.
South Korean closed-conference entry badge availability record
Zer0Con's official 2026 page places the closed vulnerability-research conference at Fairmont Ambassador Hotel Seoul on April 2-3, 2026, and POC Security's official update trail described Zer0Con2026 registration as limited to 120 seats.
Cremorne participant badge and lanyard credential
BSides Melbourne 2026 is represented by the official 2026 event page and sponsorship package, which document the May 15-17 Seek HQ event and a lanyard sponsorship item whose lanyards hang participant badges and include the badge for about 600 items.
Pre-event Canberra electronic-badge and speaker-credential record
BSides Canberra 2026 is represented as a planned/pre-event record because its public Humanitix ticketing page says general and student entry include a t-shirt and electronic badge, while the official CFP says accepted talks or events receive a speaker/event-host badge.
Pre-event South Australian attendee badge and lanyard support record
BSides Adelaide 2026 is represented here as a conservative pre-event identity/lanyard badge record: the CFP establishes the July 27-28, 2026 Amora/Hilton Adelaide edition, while the sponsor brief lists printing, lanyards, and badges as supporter-fundable event costs.
Pre-event electronic badge design/build record for 500 delegates
BSides Brisbane 2026 is represented here as a planned pre-event electronic badge record: the official prospectus offers an Electronic Badge item for design and build for 500 delegates, while ticketing lists conference badge pickup and a VIP special badge tier.
Planned Western Australian conference swag badge
BSides Perth 2026 is represented as a planned participant-badge record because the official event page says the weekend participant ticket includes conference swag: t-shirt, badge, and stickers.
Interactive ESP32 conference badge with screen, controls, badge-to-badge comms, and SAO support
BSides Ballarat 2026's public event page documents an Underground interactive conference badge designed and produced by Firnsy at Ballarat Hackerspace, with ESP32 processing, a screen, controls, badge-to-badge communication, SAO support, and a limited BSides SAO add-on; a public maker writeup also documents a third-party WS2812B Simple Add-On for the badge.
Planned Peruvian official identity artifact
A conservative pre-event Peruvian UnknownCon 2026 identity-artifact record for the official lanyard and badge included with the free conference pass.
Indian Ocean BSides identity badge
A conservative BSides Reunion 2026 identity-artifact record for the participant badges and goodies distributed at the first documented Reunion Security BSides edition.
Goa soldering-village badge with hidden challenge
A conservative Seasides 2026 Hardware Hacking Village badge record from official Seasides and HW101 pages documenting a drop-in soldering village where attendees could build a custom badge and pursue a hidden hardware/firmware challenge.
Unofficial CH32V305 SDR badge preorder
A community HFSDR badge preorder for DEF CON Singapore 2026, documented through Hackin7's r/Defcon preorder post and the linked public rhgndf/hfsdr hardware, firmware, host-software, and WebUSB archive.
HTX village badge with illuminated public-safety icons
HTX's official DEF CON Singapore coverage documents Public Safety Village badges, including a badge image described as featuring illuminated icons of emergency vehicles, alongside the first DEF CON Public Safety Village.
CSIT C517 finalist BLE mesh challenge hardware
A source-backed TISC@DEF CON SG finals challenge artifact: CSIT's official C517 page documents the on-site TISC finals, and a finalist writeup says each of the top-50 finalists received an ESP32 hardware trinket running a customized BLE mesh chat protocol to reverse engineer.
Singapore custom PCB hackathon badge
NUS Hackers' Hack&Roll 2026 introduced the event's first custom PCB badge, documented by the organizer recap, a Friday Hacks making-of talk, and a public MIT-licensed ESP-IDF firmware and component archive.
Planned Israeli hardware CTF badge
A planned BSidesTLV 2026 electronic badge record from the official Hardware Village page: the June 25, 2026 conference centers its hardware CTF on an electronic badge and schedules Badge Talk plus Badge Hacking sessions.
Badge.Team-compatible handheld platform
An ongoing Badge.Team-compatible handheld badge platform, commercially related to Tanmatsu, with public hardware specs, SoftwareHub app installation, LoRa tooling, and expansion-board documentation.
Assembly-created Hub achievement badges
The 39C3 info pages documented a Hub badge system where participants could collect assembly-created digital badges via redeem tokens, profile assignment, QR codes, and challenge or visit workflows.
Modular cyberpunk watch-style badge
An electronic badge created for 39C3 as a modular, solderable watch-style device. The project was designed to be reconfigurable with interchangeable daughter boards (called shards) for different use cases.
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.
LoRa and Meshtastic badge
A circular ESP32-C3 badge focused on LoRa, Meshtastic, WiFi, BLE, RGB LEDs, external antenna use, and expansion connectors.
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.
Electronic Cats OLED and RF-detector badge
The 44CON 2025 badge is a public Electronic Cats hardware and firmware project that can run with a CH32-style shield for an OLED mini-game or with an ESP32 Wemos D1 module plus optional buzzer, MT3608 boost converter, AD8317 RF detector, and add-on board.
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.
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.
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.
Czech Security BSides PCB badge with attendee chip challenges
A source-backed Czech Security BSides electronic badge record: the official BSides Prague 2025 schedule page announced a PCB badge powered by multiple processors, and a first-hand organizer retrospective documents the first generation of electronic badges, attendee chips, challenge XP, interactive panels, and nickname display.
Portuguese Security BSides electronic badge with badge-sponsor trail
A source-backed Portuguese Security BSides electronic-badge record: the official BSidesLisbon 2025 about page says the edition would have an electronic badge, the sponsors page lists a Badge Sponsor section for BitSight, and Eventbrite anchors the November 13-14, 2025 Auditorio FMD-UL conference.
Norwegian Security BSides SolaSec duck-shaped CTF badge
A source-backed Norwegian Security BSides electronic badge record: Noroff's post-event report documents a custom SolaSec electronic duck badge with seven LED challenge indicators, the official recordings page preserves Caleb Davis's Sykt Badge talk, and Cryptax's CTF write-up documents RP2040/MicroPython behavior, USB serial access, Wi-Fi AP setup, and on-badge web challenges.
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.
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.
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.
Linux ADS-B badge with Winglet OS 2.0
Aerospace Village's DEF CON 33 badge record documents the DC32 ADS-B badge hardware returning for DC33 with new software, Winglet OS 2.0 release artifacts, DC33 SAO support, and an ADS-B accessory ecosystem.
SpiderOak workshop ESP32-S3 messaging board
Aerospace Village's DEF CON 33 workshop schedule documented a SpiderOak Aranya hands-on workshop where up to 20 attendees received free ESP32 badge-board hardware, flashed a distributed wireless messaging application, and kept the board afterward.
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.
Afro-pick commemorative village badge
Blacks In Cybersecurity's official BIC Pick page documents a DEF CON 33 village badge designed as a red, green, and gold Afro pick celebrating the five-year anniversary of the BIC Village.
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.
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.
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.
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.
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.
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.
Badge Pirates ESP32 touchscreen conference badge
The BSidesKC 2025 badge was a Badge Pirates fully electronic conference badge documented through public production and fulfillment updates: 250 fully assembled ESP32 badges from PCBWay with 3.2 inch touch screens, Wi-Fi, SD card slots, customs delays, tariff impact, and post-event pickup or shipping handling.
ESP32-WROVER MicroPython conference e-badge
BSides Fort Wayne 2025 had an electronic conference badge documented by a first-hand badge-team writeup and a public organization repository, with ESP32-WROVER hardware, dual SPI display headers, seven WS2812B LEDs, accelerometer, buzzer, LiPo charging, MicroPython firmware, and badge CTF challenge apps.
Badge Pirates CC13 ESP32-S3 badge archive
The CactusCon 13 badge is preserved through Badge Pirates' public CactusCon13 repository, which publishes KiCad CAD files, Gerber output, outer-board variants, 3D-print assets, ESP32-S3 reference material, and a MIT-licensed source archive for the 2025 CactusCon badge.
Meshtastic-ready LilyGO T-Deck S3 badge
The BSidesSLC 2025 E-Badge is a source-backed electronic event badge built on the LilyGO T-Deck S3 and advertised by BSidesSLC with keyboard, trackball, 25 LEDs, ESP32-S3, LoRa support, Meshtastic readiness, and customization potential.
Pacific Hackers and Hackerwares HCV badge
The BSidesSF 2025 Hardware Challenge Village badge is a source-backed badge designed specifically for the village's electronic tinkering, programming, and competitive CTF challenge.
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.
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.
Four-challenge serial CTF badge
The AvengerCon IX electronic badge carried a built-in four-challenge CTF, coin-cell blink behavior, BAT CON battery jumper, micro-USB connection, CP2102 USB-to-UART serial path, and post-event unlock codes published by the official badge page.
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-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.
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.
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.
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.
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.
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.
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.
RV1106 Linux badge with add-on and embedded-Linux hacking path
BugCON 2025's Electronic Cats badge repository documents an open-hardware RV1106G3 Linux badge with ARM Cortex-A7, RISC-V MCU, NPU, ISP, GPIO, MIPI CSI, UART, SPI, I2C, USB hub, Ethernet path, WS2812E NeoPixels, 18650 battery support, Python scripting, and a PY32F002 add-on board.
PY32F030 OLED and NeoPixel badge with role variants and Metro add-on
BSides CDMX 2025's Electronic Cats repository documents a Security BSides CDMX badge built around a Puya PY32F030F28U6TR, NeoPixels, OLED display, two AAA battery holder, Shitty Addon connector, role-specific KiCad hardware variants, a Metro add-on, public firmware, release HEX files, and BOM assets.
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.
Tenth-anniversary Brisbane conference credential
CrikeyCon X is represented as an Australian identity-badge record because the official schedule told attendees they could pick up their badge early before Saturday entry, while the Humanitix and archive pages establish the March 22, 2025 Brisbane event context.
Standalone binary-entry CTF badge with tactile buttons, LEDs, and hidden hardware challenge
BSides Adelaide 2025's second Wombat badge is source-backed by Hackerware, Hackster, and attendee challenge analysis: it kept the MS51FB9AE/CR2032 LED badge line but added onboard CTF controls, seven official challenge LEDs, binary flag entry, and an unannounced hardware challenge.
Queensland ticket-included badge with electronic-badge prospectus evidence
BSides Brisbane 2025 ticketing documented a cool badge for Standard and VIP attendees, while the sponsorship prospectus offered electronic badge design and build for 500 delegates as a separate supporter item.
ESP32-C3 pukeko badge with OLED, RGB LEDs, Rust VM, and Minecraft server
CHCon 2025's attendee badge was a custom circuit-board badge with an ESP32-C3, SSD1306 128x64 OLED, 24 WS2812 RGB LEDs, USB Serial JTAG shell access, bare-metal Rust firmware, a stack-based pattern VM, and a Minecraft 1.21.4 challenge server.
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.
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.
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.
South African BSides badge-sponsor identity artifact record
BSides Cape Town's official 2025 sponsorship page lists a dedicated Badge Sponsor slot, while the official Quicket page anchors the December 6, 2025 Lagoon Beach Hotel & Spa event and swag-ticket context.
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.
Indian Security BSides badge-sponsor and soldering-village record
A conservative source-backed BSides Agra 2025 badge record from the archived official site and official social trail, documenting an IOTSRG Badge Sponsor role, all-attendee collectible-badge framing, and a hands-on soldering village without asserting an unrecovered final circuit.
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.
Israeli limited hardware CTF badge
BSidesTLV's official 2025 badge page documents The Infinity Glove, a limited pre-order electronic badge sold with BSidesTLV 2025 entry, picked up on site, and framed as a custom-designed hardware CTF with hidden puzzles and badge-holder-only stages.
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.
Compute Module 5 medical-AI badge
Biohacking Village's DEF CON 33 Distiller BHV badge was a CM5-based medical-AI badge built with SolaSec and PamirAI, combining local voice/chat interaction, e-ink UI, physical buttons, colored LEDs, battery power, and public BHV software branches.
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.
EMF 2024+ reusable hexpansion platform
A reusable hexagonal badge platform with six expansion slots, MicroPython apps, and community hexpansions.
ESP32-C3 POV badge
An ESP32-C3-oriented BornHack badge with public firmware links, POV hardware files, Rust examples, workshop firmware, and a 3D-printable case branch.
ESP32-S3 badge with blaster and communicator add-ons
A Fri3d ESP32-S3 badge with LCD, joystick/buttons, SD card, USB-C, LiPo power, MicroPython/Arduino docs, and blaster/communicator add-ons.
Wristband, hackerpassport stamp, and goodie-bag record
A conservative non-electronic HaxoGreen 2024 record for attendee identity and camp artifacts: the public wiki documents required wristbands, infodesk registration, hackerpassport stamps, goodie-bag pickup, and ticket/merch context.
Rabbit Chaos Adventure badge
A source-backed Easterhegg 2024 badge record for the Rabbit Chaos Adventure: the event wiki points to challenges on campus, laptop, and badge, while the public repository preserves RCA badge files, schematics, Gerbers, parts exports, media, and printable add-ons.
Ticket ID and wristband camp record
A conservative non-electronic Camp++ 2024 record for attendee identity: the official camp pages document August 8-11 2024 dates, Fényes Camping in Tata, required ticket registration, random ticket IDs checked by the campsite, government-ID reception check-in for overnight stay, and wristband pickup at camp registration.
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.
Secure Impact nine-challenge AVR badge
CyberThreat 2024 featured brand-new hackable badges from Secure Impact with nine challenges, documented by the official CyberThreat site and final-challenge walkthrough PDFs by badge challenge author Nathan Taylor.
E-paper IR social-quest badge
The first electronic DORS/CLUC conference badge, with a 2.66 inch monochrome e-paper display, badge-to-badge IR discovery, twelve special-badge unlocks, light-sensor web configuration, blue LED patterns, open KiCad and firmware files, and OSHWA certification.
ESP32-C6 e-paper telegraph puzzle badge
An interactive Victorian-telegraph-themed puzzle badge inspired by the Cooke and Wheatstone telegraph.
MC-0o00 CH32V003 mini cyberdeck badge
The BalCCon2k24 MC-0o00 badge scaled the cyberdeck idea down to a CH32V003 RISC-V board with LCD, six buttons, buzzer, GPIO/power interface, and the ability to connect to BCD-0o27.
Berlin reuse of the RP2040 analog vectorscope badge
Hackaday Europe 2024 in Berlin reused the 2023 Hackaday Supercon Vectorscope badge: an RP2040/MicroPython analog playground with a round IPS display, ADC/DAC signal path, front controls, joystick, prototyping space, and badge-hack ceremony.
Greek Security BSides electronic circuit badge and soldering challenge
A source-backed Greek Security BSides electronic circuit badge record: the recovered official wrap-up says participants received an electronic circuit badge, soldered it until it lit up, could reuse it as a breadboard, and found that it contained secrets.
RP2350 handheld-game badge
An official DEF CON 32 electronic badge built around Raspberry Pi RP2350 silicon, a handheld-game-style interface, LEDs, firmware archives, and a DEF CON 32 badge game whose GB Studio project files were published after the event.
Unofficial ESP32-C3 handheld-style DEF CON 32 badge
The Hackbat Badge is an unofficial DEF CON 32 badgelife board documented by the Hackbat project page and GPL-3.0 GitHub repository, with ESP32-C3 Wi-Fi/BLE, OLED display, WS2812 LEDs, six buttons, AA-cell case support, and production files.
RP2040 CAN-bus badge with CHV SAO ecosystem
Car Hacking Village's DEF CON 32 badge ecosystem centered on a main RP2040 badge with CAN-network surfaces, four CHV SAO connectors, public board and firmware repositories, public CTF challenge notes, and IOActive's separately documented key-fob badge / SAO build.
First official Dominican Republic badgelife badge
HackConRD 2024's first official badge was an ATTiny85-based electronic conference badge documented by a public repository and workshop writeup, with lanyard wear, challenge/hidden-feature firmware, serial reprogramming, aRGB LED expansion, buzzer output, and KiCad manufacturing-file evidence.
ESP32-C3 badge with Badge Clinic and MicroPython workflow
The HOPE XV Electronic Badge was issued to in-person attendees as an ESP32-C3 badge with purple attendee boards, black pro boards, case variants, 16 WS2812-class RGB LEDs, buttons, IR blast behavior, vibration feedback, open hardware files, and MicroPython hacking notes.
ATTiny4313 POV fidget-spinner badge
The LayerOne 2024 POV Spinner Badge was an electronic fidget-spinner conference badge that displayed words and patterns through a 12-LED persistence-of-vision strip while spinning.
Official and submitted MiniBadges documented by the 2024 trading build-guide trail
SAINTCON's 2024 MiniBadge Trading page documents an official trading area and a public build-guide link covering submitted MiniBadges that attendees designed and brought to the conference, including official MiniBadges.
Project NeoRogue ESP32-S3 badge archive
The CactusCon 12 badge is preserved through Badge Pirates' public CactusCon-12 repository, which includes KiCad CAD files, Gerbers, BOM exports, QA code, art assets, reference documents, and ProjectNeoRogue front/back raster outputs for the 2024 CactusCon badge.
Specially designed HCV badge CTF artifact
The BSidesSF 2024 Hardware Challenge Village badge is a source-backed village badge used for electronics tinkering and a competitive badge CTF contest at City View at Metreon, with attendee-report evidence for a screen, joystick, battery or USB-C power, and badge-to-badge clue exchange.
CircuitPython IR trading badge
The BSidesPDX 2024 badge is a source-backed OpenTaxus badge customized for Portland's Security BSides event, documented by the official Badge Talk page and the PDX Badgers public repository with RP2040-class hardware, OLED display, five-way d-pad, infrared trading, NeoPixels, AA or USB-C power, CircuitPython, and event-game code.
Hayes SmartModem-inspired Wi-Fi modem badge
The JawnCon 0x1 modem badge was a wearable miniature Hayes SmartModem homage for the October 2024 Philadelphia-area hacker con. JawnCon's official write-up says it used RetroWiFiModem to simulate the AT command set and drive the LEDs, with a PCB carrying an ESP radio, level shifter, and vintage red LED front; Hackaday covered it as an ESP8266-powered Wi-Fi modem badge for early-Internet services.
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.
Multi-layer tactical recon badge
Recon Village's DEF CON 32 badge entry, The Recon Soldier, was a tactical-recon multi-layer PCB badge with red and blue LED eyes, 3D assembled design, and military helmet artwork.
Unofficial ESP8266 proximity-animation badge
BadgeBuddy was an unofficial GrrCON 2024 electronic badge built for roughly thirty friends, using an ESP8266 WiFi module, an 8x8 LED matrix, battery power, proximity scanning for other BadgeBuddy SSIDs, and a public code/wiring archive.
Camp identity, Shadybucks payment, and Euphoria CTF artifact
ToorCamp 2024's source-backed badge artifact is modeled here as the Shadybucks wristband / Shady Tag flow: each attendee received a wristband at registration, activated Shadybucks at Shadytel, registered a Shady Tag handle, and used the badge or wristband trail as an entry point into the Euphoria CTF.
Six-port Pico W SAO hub
The Supercon 8 official badge used a Raspberry Pi Pico W and six SAO ports as an I2C playground, bundling touchwheel, LED petal matrix, blank protoboard, and CH32V003 I2C proto-petal add-ons with MicroPython examples.
Analog 555 and 4017 LAN cable tester
Kernelcon's 2024 [a]nalyze [i]nternet badge was an analog LAN cable-tester badge built without a microcontroller, using a 555 timer, 4017 decade counter, RJ45 path, diode network, head LEDs, and a detachable remote.
ESP32-S3 badge with four SAO ports
The NorthSec 2024 badge repository documents an ESP32-S3-WROOM-1-N8R8 electronic badge loosely based on ESP32-S3-DevKitC-1, with sixteen NeoPixel RGB LEDs, six buttons, two pairing connectors, four SAO v1.69bis connectors, USB-C or 3xAAA power, hardware files, and PlatformIO/ESP-IDF firmware targets.
HackRVA firmware and emulator badge with IR, audio, games, and badge-hacking context
The RVAsec 2024 badge record combines official RVAsec package/layout evidence for limited HackRVA electronic badges and badge-hacking context with HackRVA's public firmware and emulator repository. The source tree documents LCD, three-color LED, D-pad, IR, rotary encoder, audio output, SDL simulator, and expanded games/apps.
Taiwanese PCB badge with games, BadUSB, and docking
HITCON CMT 2024's official activity page and PCB Badge guide frame every attendee ID as a PCB badge, with score accrual across activities, badge games, BadUSB play, docking between badges, game battle behavior, and on-site programmer or FTDI support at the activity desk.
Philippine official STL badge artifact record
ROOTCON's official archive places ROOTCON 18 at Taal Vista Hotel in Tagaytay on September 25-27, 2024, and the official media server preserves a Badge/STL directory with Rootcon 2024 Buttons and Rootcon 2024 Single Color STL files.
South Korean closed-conference entry badge availability record
Zer0Con's official archive places the closed vulnerability-research conference at Fairmont Ambassador Hotel Seoul on April 4-5, 2024, and POC Security's official update trail described an Entry badge with 120 available seats before the archive marked the edition sold out.
Raspberry Pi Pico fault-injection village device
A conservative Badge Village artifact record for HITBSecConf2024 Bangkok, where the official village page documented a specialized Raspberry Pi Pico-based device for controlled fault-injection experiments against embedded systems.
Electronic badge for SaikoCTF research participants
A conservative record for the electronic SaikoCTF badge promised to HITBSecConf2024 Bangkok research-study participants in the official recruitment statement.
Official Electronic Cats ESP32-C6 community and VIP badge
BugCON 2024's official Electronic Cats badge was an open-hardware ESP32-C6 badge line with community and VIP variants, USB serial workflow, displays, LEDs, battery power, firmware directories, KiCad hardware trees, and CERN-OHL hardware licensing.
Cremorne badge and lanyard credential with pronoun, photo, and interaction preference signals
BSides Melbourne 2024 is represented by the official sponsorship prospectus documenting conference badges with preferred pronouns, photo permissions, and interaction preferences plus a sold lanyard sponsorship item.
Middle-earth themed 555-timer LED soldering badge
BSides Canberra 2024's public ticketing page promised an electronic badge, and an attendee writeup describes the shipped badge as an orc-shaped soldering badge built around a 555 timer, LEDs, diode, resistor, capacitor, and 9V battery power.
Brisbane badge-pickup credential with custom accessibility pins
CrikeyCon IX is represented by official schedule and ticketing evidence for early conference badge pickup plus an accessibility-badge station where TinkerInk helped attendees make custom pins that signalled approach preferences.
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.
ESP32-C6 LoRa badge
The official Ekoparty 2024 electronic badge documented by Electronic Cats with ESP32-C6 control, RFM95 LoRa radio, OLED display, NeoPixels, USB, buzzer, KiCad hardware files, firmware sources, Badge Connect behavior, and a community Meshtastic variant trail.
Custom CR80 Hacker ID identity artifact
The first-edition H2HC 2024 Hacker ID Card, a custom CR80-size identity-card badge/artifact produced with a dedicated card-printing workflow.
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.
Vendor-booth BCPen/CPen challenge badge
A conservative BSides Goa 2024 vendor-booth badge record for SecOps Group's Hackable BCPen and CPen badges, documented on the SecOps Hack the Badge page and tied to the BSides Goa 2024 booth/free-exam challenge trail.
Singapore dual-screen Octopus badge
Off-By-One Conference 2024 used an Octopus-themed hardware badge with ESP32-S3 and ATmega328P controllers, dual 128x128 GC9A01 round LCDs, IR, WS2812 LEDs, buttons, a user-flashable MicroPython challenge surface, and six published challenge flags.
CCCamp 2023 music and light badge
A petal-shaped electronic instrument where touch and gestures become sound and light.
Assembly-created digital achievement badges
The 37C3 Hub archived a digital badge system where assemblies could create badges that visitors might find, redeem, and display during the Hamburg Congress.
NFC reader and tag badge pair
A two-badge NFC year: one tag badge using NXP NTAG I2C Plus and one RP2040 reader badge using NXP PN7150 with card-emulation capability.
RP2040 MicroPython badge with NFC and sensors
An Italian MuHack badge built around an RP2040, MicroPython, addressable LEDs, NFC, sensors, optional ESP32 connectivity, and a public MuHackademy workshop/talk trail.
Ticket ID and wristband camp record
A conservative non-electronic Camp++ 2023 record for attendee identity: the public camp pages document ticket registration, random ticket IDs checked at the campsite entrance, government-ID reception check-in for overnight stay, and wristband pickup at camp registration.
Badge.Team retro-adventure conference badge
A Badge.Team-powered TROOPERS23 electronic badge with a public retrospective PDF, open hardware repository, firmware repository, and companion SAO hardware repository.
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.
Reused retail e-paper price-tag badge
A Hardwear.io Netherlands badge built from reused e-paper price tags, with attendee-facing firmware behavior documented after the conference.
WiFi room-sensor name badge
A WiFi badge for Open Source Hardware Camp 2023, designed as a name badge, solder-paste workshop board, USB-UART adapter, qwiic/STEMMA QT sensor host, and post-event Tasmota room sensor.
Badge.Team challenge and artwork badge
A Badge.Team-documented HackerHotel badge whose public record currently centers on team roles, challenge ownership, and artwork.
BCD-0o27 ESP32-S3 cyberdeck badge
The official BalCCon2k23 BCD-0o27 badge turned badgelife into a small ESP32-S3 cyberdeck with screen, buttons, RGB LEDs, serial console, SAO-ish I2C, firmware framework, and printable case files.
Berlin-reskinned down-to-the-metal computer trainer
Hackaday Berlin 2023 gave European attendees a Berlin-reskinned Voja Antonic Voja4 badge: a compatible revision of the 2022 Supercon down-to-the-metal computer trainer and retrocomputer, with public event sources tying it to the March 25-26 MotionLab.Berlin gathering and Saturday badge-hacking ceremony.
Mar Williams physical badge with SAO chamber
A Mar Williams / spuxo official DEF CON 31 physical badge produced for a deliberately non-electronic year, with the public pre-con badge news centered on a customization-friendly SAO slot and media-server add-on design assets.
DEF CON 31 youth-challenge ATtiny1614 LED badge
The Flux Decoder was a Social Engineering Community Youth Challenge badge for DEF CON 31, preserved through a public repository with KiCad board files, schematic material, and Arduino-style firmware for an ATtiny1614-powered flux-capacitor LED badge.
PIC16F1455 USB keyboard badge with addressable LEDs
LayerOne 2023's electronic badge was a PIC16F1455 USB HID and keyboard badge with WS2812B/SK6812-style addressable LEDs, DFU update workflow, writable flash-backed macro behavior, and a badge-competition path around a partial RubberDucky 2.0 script interpreter.
Community, event, contest, and personal MiniBadges documented by the 2023 data export
SAINTCON 2023 is represented here by its public MiniBadge ecosystem: the official 2023 FAQ documents MiniBadge popularity and attendee trading, while the community MiniBadge Wiki export preserves year-specific personal, event, community, and contest badge records.
Badge Pirates ESP32-S2 home-automation badge
The CactusCon 11 badge was an ESP32-S2 WROOM electronic conference badge by Badge Pirates and the CactusCon team, built around the event's Nightmare House theme, IoT interaction, LEDs, buttons, optional OLED support, GPIO expansion, and USB serial access.
Contra-themed laser-tag badge with custom clear-PC housing
The THOTCON 0xC badge was a Chicago electronic conference badge built around a Contra-inspired, conference-wide laser-tag game and a custom injection-molded clear polycarbonate housing. Rob Rehrig's first-hand writeup documents the badge theme, enclosure work, IR receiver/emitter layout, TIR lens work, Xometry manufacturing path, and roughly 2,000-badge production scale.
Classic spy badge with speaker variant
Recon Village's DEF CON 31 badge entry, The Spy Silhouette, returned to the fedora silhouette with die-cut shape, LED illumination, a speaker-badge variant, and custom Recon Village lanyard.
RP2040 analog vectorscope and waveform badge
An analog-inspired Hackaday Supercon badge that combined a fake-phosphor vectorscope display, programmable waveform generator, AK4619 ADC/DAC path, Raspberry Pi Pico/RP2040 control, MicroPython, joystick and buttons, and a through-hole prototyping area.
Analog TA7642 AM radio badge
Kernelcon's 2023 1337 kHz badge was an old-school analog AM radio badge based on the TA7642 radio IC, a 1.5 V design, small transistor amplifier, headphone output, RF gain knob, and hacker-playground prototyping area.
AVR badge-chain interaction badge
NorthSec 2023's public badge trail combines the official badge repositories with a first-hand technical writeup documenting an ATmega328PB attendee badge with CH340C USB serial, six push buttons, 16 WS2812B RGB LEDs, optional 128x32 OLED, AVR ISP, SAO connector, side-chain headers, BLE mesh controller-screen challenge behavior, and point-scoring badge-to-badge interaction.
HackRVA electronic badge with UF2 flashing, audio output, IR, and games
The RVAsec 2023 badge is backed by official RVAsec package language for limited HackRVA electronic badges and HackRVA's public firmware repository. The repository documents LCD display, three-color LED, D-pad, IR Tx/Rx, rotary encoder, audio output, micro-USB UF2 flashing, SDL simulator support, and a broad app/game tree.
Taiwanese badge mini-games and card-reader conference pass
HITCON CMT 2023's official events page says the badge was more than an identification badge: card readers and mini-games were placed at booths and around the venue, attendees used their badges to activate and interact with them, and the Activity Team booth provided NFC card readers for hands-on inspection.
Philippine physical identity badge and lanyard inclusion record
ROOTCON's official archive places ROOTCON 17 at Taal Vista Hotel in Tagaytay on September 27-29, 2023, the official conference overview lists Badge, Lanyard + other swags for Human and Human+ tickets, and the official media server preserves lanyard_single.png in the ROOTCON 17 art directory.
Resistance-themed ESP32-S3 and RP2040 official badge
BugCON 2023's Electronic Cats repository documents the official resistance-themed BugCON 2023 badge with an ESP32S3 or RP2040 platform statement, UART, Bluetooth and Wi-Fi on ESP32S3, AA battery support, public Arduino firmware, GPL-3.0 software licensing, CERN-OHL v1.2 hardware licensing, and KiCad hardware source.
Melbourne badge and lanyard credential with photo-consent and interaction-protocol markers
BSides Melbourne 2023 is represented by an official attendee-communications record proving badge and lanyard use for identity, access, photo-consent signalling, and personal interaction-protocol stickers.
ESP32-S2 colour-screen badge with touch controls, games, and hardware tools
The 2023 BSides Canberra bPod badge is source-backed by the official BSides archive, schedule material, and public GitLab repository containing KiCad hardware, firmware, updater, and server code.
First limited electronic EKO badge offer
A conservative Ekoparty 2023 record for the first limited electronic badge offer, capped at 500 units and used as a paid support option for a free Buenos Aires hacker conference.
Custom Game Boy conference game artifact
A custom H2HC 2023 Game Boy game badge/artifact distributed as a conference-themed game cartridge experience rather than a PCB electronics badge.
Singapore building-shaped serial CTF badge
SINCON 2023's first badge was a Khong Guan Building-inspired interactive CTF badge with a custom single-sided PCB, ABOV A96S174 MCU, CH340G USB-serial bridge, micro-USB, CR2032 holder, 12 MHz crystal, SMD passives, and 1206 LEDs.
ESP32-C3 electronic badge for Hacking in Parallel
The Hacking in Parallel Berlin attendee badge was an ESP32-C3 electronic badge with RGB LEDs, USB-C Serial/JTAG, battery charging, NFC/I2C storage, SAO/I2C expansion, buttons, and RIOT OS board support.
ESP32, RP2040, FPGA game-console badge
A game-console-shaped badge with ESP32, RP2040 board management, iCE40 FPGA graphics, Bosch sensors, BadgePython, Hatchery apps, SAO/Qwiic/PMOD expansion, and WebUSB FPGA workflows.
EMF 2022 badge
The EMF 2022 badge, renamed TiDAL, with MicroPython app development and a software repository for badge apps and API proxy services.
RP2040 CircuitPython gaming badge
A game-controller-shaped BornHack badge built around RP2040, CircuitPython, a color LCD, and expansion connectors.
ESP32-WROVER badge with GameOn and Time Blaster
A Fri3d badge with ESP32-WROVER, 240x240 color display, IR receiver, accelerometer, buttons, and a documented add-on ecosystem.
ESP32-C3 dragon-sphere camp badge
A Cyber Saiyan-designed ESP32-C3 badge for RomHack Camp 2022, with seven RGB LEDs, BLE badge discovery, schedule screens, WiFi/AP functions, snake, a 2.4 inch TFT, two rear buttons, and AA battery power.
Wristband, hackerpassport stamp, and goodie-bag record
A conservative non-electronic HaxoGreen 2022 record for attendee identity and camp artifacts: the wiki documents required wristbands, infodesk pickup, hackerpassport stamps, and goodie bags.
Ticket ID and campsite check-in record
A conservative non-electronic Camp++ 2022 record for attendee identity: the official camp pages document the tenth H.A.C.K. camp at Fényes Camping in Tata, ticket registration, random ticket IDs checked by campsite reception, certificate checksum verification, and government-issued identification for arrival at the campsite.
On-site printed and laminated attendee badge
A source-backed non-electronic GPN20 attendee-badge record anchored by the Entropia wiki workflow for printing and laminating badges at the infodesk.
Badge.Team-powered conference badge record
A conservative TROOPERS22 badge record anchored by Badge.Team's public PID/code entry for Troopers 2022 badges and the official TROOPERS22 event context.
Blinky Gothenburg tram badge
A conservative first-pass record for Security Fest's 2022 tram-inspired badge, remembered in later badge writeups as a fun blinky object inspired by Gothenburg trams with a Rickroll reference.
Estonian Security BSides participant badge and soldering project
A source-backed Estonian Security BSides badge record: the official BSides Tallinn 2022 page says each participant received a special legacy-theme badge that was also a DIY soldering project with custom configurations.
MK Factor musical keyboard badge
An MK Factor official DEF CON 30 musical badge with Raspberry Pi Pico/RP2040-class hardware, a playable keyboard, display, speaker, audio input/output behavior, boot-mode and mass-storage update paths, and a music-and-pop-culture badge challenge spread across nine badge variants.
Official, sponsor, community, and personal MiniBadge assembly-guide set
The SAINTCON 2022 MiniBadge Assembly Guide preserves a broad MiniBadge ecosystem: official community and status badges, sponsor badges, personal/trading badges, acquisition notes, rarity/difficulty labels, and assembly instructions for through-hole, SMD, RFID, motorized, and programmed badge variants.
Pre-order merch-bundle Conference PCB Badge
CarolinaCon Online 2's official pages advertised a merch bundle containing a CarolinaCon T-shirt, shot glass, sticker, and Conference PCB Badge, with pre-orders closing on the last day of the April 29-May 1, 2022 online conference.
Arduino-programmable rubber-ducky badge
The BSidesSF 2022 Hardware Village badge is a source-backed pre-assembled badge distributed in limited quantities to village participants for Arduino-programmable rubber-ducky experiments.
Circular global-surveillance badge
Recon Village's DEF CON 30 badge entry, The Radar Badge, was a circular radar-themed badge with a world-map overlay, teal and emerald styling, compass markings, and coordinate markings.
OlyMEGA light-sensing LED spider badge
ToorCamp 2022's badge is documented by an official badge-talk session and assembly PDF as an OlyMEGA-built soldering badge: four LEDs forming spider eyes, a photocell, potentiometer, MOSFET, slide switch, resistors, and a battery holder whose circuit lights the eyes in darkness.
Front-panel 4-bit computer badge with 272 LEDs
The 2022 Hackaday Supercon 6 badge, also documented as Voja4, was a front-panel-style 4-bit computer badge designed by Voja Antonic and implemented on a PIC24FJ256GA704 with 272 LEDs, direct button programming, serial save/load, internal flash storage, SAO serial expansion, and a public assembler/emulator/tooling archive.
ESP8266 watch-badge firmware archive
Kernelcon's 2022 Watch Badge is preserved through its public firmware repository, which documents the kernelcon_watch_v4 firmware, generic ESP8266 core targeting, Arduino IDE build path, hard-coded Wi-Fi configuration, and deauther-software lineage.
ESP32 return-to-hallway badge with SAO hardware archive
NorthSec 2022 now has a source-backed badge record from NorthSec's official past-editions page and the public nsec-badge archive: an ESP32 WROOM32 electronic badge with CH340C USB serial, MCP73831 LiPo charging, AP2112 3.3 V regulation, twenty-four WS2811/5050 RGB LEDs, 0805 status LEDs, production Gerbers, BOM files, challenge image assets, and multiple SAO hardware directories.
Pico-era firmware with LCD, IR, D-pad, rotary encoder, and simulator
HackRVA's public RVAsec 2022 repository documents badge firmware for hardware and simulator targets, with RP2040/Pico SDK build flow, LCD display, three-color LED, D-pad, IR transmit/receive, rotary encoder, UF2 flashing, CLI startup path, and app/game framework.
RP2040 audio, microphone, LEDs, and EdgeImpulse badge
BugCON 2022's Electronic Cats badge repository documents an RP2040 electronic badge for BugCON 2022 CDMX with USB serial access, LEDs, microphone, buzzer or speaker, a small machine-learning trail through EdgeImpulse, Arduino Mbed programming notes, KiCad hardware files, and Blink/AudioWAV firmware examples.
Simple LED and SAO-header soldering badge
A CrikeyCon 8 conference badge with a documented simple LED circuit, soldering workflow, three blue 1206 LEDs, current-limiting resistors, optional coin-cell holder, and 2x3 Simple Add-On header power path.
Updated SwagBadge, FPGA SAOs, and Rockling hardware-kit trail
linux.conf.au 2022's Open Hardware Miniconf publicly documented hardware kits, an updated LCA2022 SwagBadge, two SAOs, a Rockling FPGA audio processor, Theremin and Party Button SAOs, and a hardware-design session for the OHMC2022 Rockling and Swag Badge.
Second sticker-backed Kākācon puzzle trail
The organizer walkthrough for Kākācon 2022 documents the second Kākācon badge challenge, again using the back of the event sticker as the puzzle entry point.
Wooden-PCB NE555 wrapped-wire badge
A deliberately old-school H2HC 2022 badge built as a wooden PCB with large components, wrapped wire, an NE555 clock signal, and blinking LEDs.
Electronics-side DIY expansion badge
A deliberately minimal DIY badge focused on simple electronics, SAO, Qwiic/STEMMA QT, and component-level exploration rather than preloaded compute.
Ticket and certificate checksum camp record
A conservative non-electronic Camp++ 2021 record for attendee identity: the official camp pages document the ninth H.A.C.K. camp at Fort Monostor, ticket registration, no required personal data, end-of-event ticketing-data destruction, certificate checksum verification, and instructions to bring the ticket either on a device or printed.
RP2040 New Normal macro-pad badge
An MK Factor official DEF CON 29 electronic badge built around Raspberry Pi's RP2040, a 1.8-inch LCD, six-button D-pad surface, SAO connectors, USB-C, speaker, coin-cell plus USB power behavior, UF2 firmware updates, HID macro-pad mode, and a New Normal challenge path.
Official and unofficial MiniBadges documented by the archived 2021 SAINTCON page
SAINTCON 2021 is represented here by its archived MiniBadge collection page, which documents in-person registration/status MiniBadges, community and challenge MiniBadges, soldering and puzzle badges, sponsor or booth-distributed badges, and a separate unofficial badge section.
Merch-bundle electronic badge kit for the online con
CarolinaCon Online 2021 offered a merch bundle with a CarolinaCon Online T-shirt, sticker, and a kit containing all parts needed to make that year's badge; after orders closed, the organizers began bulk-ordering shirts and badge supplies for shipment.
ESP32 retro-controller badge with LEDs, buzzer, accelerometer, and Wi-Fi
The THOTCON 0xB badge was a rescheduled-2021 Chicago electronic conference badge in a retro controller / circus-ticket form factor. Rob Rehrig's first-hand writeup documents an ESP32 main controller, reverse-mount RGB and single-color LEDs driven by an IS32FL3731 LED driver, capacitive touch buttons, piezo buzzer, accelerometer, 2.4 GHz Wi-Fi node behavior, IRC remote connectivity, and serial interface.
KiCad badge canvas with MicroMod carrier variant
Thomas Flummer's Remoticon.2 badge project published a KiCad badge canvas for the 2021 virtual Remoticon, giving builders a Remoticon.2-shaped PCB with open prototyping space plus uploaded KiCad, artwork, Gerber, and MicroMod carrier-board files.
Hack Live customizable hotkey badge
Kernelcon 2021's Hacker HotKey was a customizable hotkey stream-deck badge configured for Hack Live voting, challenge sabotage, hint, and website-launch behavior, with public Arduino Leonardo firmware examples.
ESP32 North Sectoria RPG badge
NorthSec's official 2021 badge page and repository document an ESP32 electronic badge with Wi-Fi, BLE, 240x240 color LCD, NeoPixel RGB LEDs, six buttons, buzzer, UART serial port, micro-USB or external battery power, ESP-IDF firmware, and ten badge flags tied to the North Sectoria game theme.
Source-limited Badge Intro artifact in the continuing HackRVA electronic-badge lineage
The RVAsec 2021 badge record is intentionally narrow: InfoconDB preserves a Badge Intro session at the November 4-5, 2021 Omni Richmond event, and HackRVA's current badge page describes an annual electronic badge lineage with schedules, games, surprises, sponsorship, and limited badge availability.
Philippine reboot-edition virtual badge and artwork archive record
ROOTCON's official archive places ROOTCON 15 on October 13-15, 2021 via Zoom Webinar and Discord, while the official sponsorship overview lists Human Badge benefits as virtual-only and the media server preserves ROOTCON 15 badge and lanyard artwork directories.
AVR/OLED Packet Hack Village badge with CTF binary-input mode
A source-backed Packet Hack Badge record for HITB+CyberWeek 2021 Abu Dhabi, documented by a first-hand Hackster project page and a public firmware repository.
Hybrid-year badge with SAMD21, ESP32, e-paper, LEDs, and firmware restoration flow
BSides Canberra 2021 is source-backed by the official event page, an attendee production note, public firmware repository, schematic mirror, and Mos & Boo badge-hacking writeups documenting a shipped electronic badge with SAMD21, ESP32-PICO-D4, e-paper display, LEDs, capacitive touch, and firmware reflashing workflow.
Brisbane conference badge pickup and Connect-corner helper marker
CrikeyCon VII is represented by official archive, schedule, and event-page evidence for attendee badge pickup plus a CrikeyCon Connect badge that identified people available for informal information-security career conversations.
Online linux.conf.au ESP32-era SwagBadge and DagBadge hardware programme
linux.conf.au 2021's Open Hardware Miniconf is represented by a source-backed SwagBadge and DagBadge programme: badges were built and mailed to delegates, then covered by official software, hardware, SAO, test-jig, firmware, and show-and-tell sessions.
First sticker-backed Kākācon puzzle trail
The organizer walkthrough for Kākācon 2021 documents the first Kākācon badge challenge, with the entry point printed on the backing paper of a Pepper Raccoon-designed sticker.
Official role and competition badge-art variants
A conservative Ekoparty 2021 record for the official badge-artwork set preserved on Ekoparty's own site, covering attendee, speaker, workshop, ACFT first/second/third-place, ICFT player, and Lado B variants.
CircuitPython LED-matrix IR badge
A SAMD21 CircuitPython badge with a charlieplexed LED matrix, IR badge-to-badge communication, navigation buttons, SAO header, and exposed pads.
Ticket and certificate checksum camp record
A conservative non-electronic Camp++ 2020 record for attendee identity: the official camp pages document the eighth H.A.C.K. camp at Fort Monostor, ticket registration, no required personal data, end-of-event ticketing-data destruction, certificate checksum verification, and instructions to bring the ticket either on a device or printed.
Mixed-reality escape-room challenge badge
A story-first challenge badge where the badge, hotel, terminal session, puzzles, and lore formed a mixed-reality escape room.
Touch-button Hatchery badge
A Disobey badge operated by artwork-hidden Game Boy inspired touch buttons, serial shell, Hatchery apps, nickname settings, and WiFi configuration.
Badge.Team Python API badge
A CampZone badge documented primarily through its Badge.Team Python API surface: keypad, display, audio, WiFi, HID, MIDI, touchpads, speech, app config, MQTT, and mixer modules.
Ukrainian ESP32 air-quality badge and CTF platform
A Ukrainian NoNameCon 2020 electronic badge by TechMaker, redesigned as a custom ESP32-WROOM-32D board with optional BME680 air-quality sensing, dual OLED displays, joysticks, touchpads, WS2812 LEDs, USB-C programming, and embedded-systems CTF tasks.
Cassette-tape puzzle badge
A LosT / 1o57-designed DEF CON 28 Safe Mode support badge built as an audio cassette in a jewel case, with puzzle material spread across the A/B tape audio, lanyard characters, printed liner notes, media-server contents, and DEF CON forum solving space.
Unofficial DEF CON 28 STM32F412 badge with BlackBerry keyboard CTF
The AND!XOR DC28 Badge was an unofficial DEF CON 28 Safe Mode badgelife board shipped through pandemic-era proxy drops, with an STM32F412RET6 MCU, 0.96 inch OLED, ST7735 128x160 TFT, APA-102C LEDs, BlackBerry Q10 keyboard, USB-C, Keystone 1020 battery holder, MyBASIC hardware scripting, and an embedded BENDERPISS CTF text adventure.
Virtual-edition shipped badge package with MiniBadge and Hackers Challenge context
SAINTCON 2020 is represented here by its virtual-edition shipped badge package. The official archive identifies 2020 as a virtual SAINTCON year, InfoconDB supplies the October 27-30 dates, and first-hand DC540 coverage documents a physical badge package with the badge itself, an included MiniBadge, a coupon for a custom MiniBadge, and Hackers Challenge CTF badge context.
Talking LED presenter wearable
A source-backed BSidesPDX 2020 presenter wearable artifact documented by the public PDX Badgers `2020-mask` repository, built as a voice-reactive LED face-mask project for the all-digital conference year rather than a conventional attendee badge.
Arduino Nano breadboard badge for the virtual Badge Village
The Diana Initiative 2020 off-the-shelf virtual badge was a self-built Arduino Nano and breadboard-badge workshop artifact for the online conference. Sched documents the August 22, 2020 `Basic Arduino coding using virtual Badge` Village Workshop, while TechGirlMN's archive preserves the Tinkercad virtual badge, hardware BOM, wiring notes, and Arduino Create firmware examples.
Community KiCad/OSH Park badge template for the virtual event
Thomas Flummer's 2020 Remoticon badge was an unofficial CC BY-SA 4.0 KiCad PCB template released for the virtual Hackaday Remoticon, combining decorative Remoticon artwork, prototyping area, a MakersBox SMD challenge circuit, Feather-mounting pads, Gerbers, and an OSH Park shared-project path.
ATmega328P dual-PCB image-reel badge
The Kernelcon 2020 Hack-Master badge was a dual-PCB electronic badge with an ATmega328P-AU, three-AAA power, nine APA102 RGB LEDs, a backlit custom image reel, serial-port game plans, EEPROM mode storage, and ICSP pogo-pin programming.
Pandemic-era HackRVA firmware archive with LCD, IR, audio, USB, and apps
The RVAsec 2020 badge is seeded from HackRVA's public firmware repository. The source tree documents a real badge software target with LCD display code, buttons, IR packet handling, menus, badge apps, audio/image asset playback, LED control, USB bootloader tooling, and a small C-like interpreter.
Philippine Recovery Mode conference badge and lanyard kit
ROOTCON's official Recovery Mode quick guide places ROOTCON 14 on October 9-10, 2020 as a virtual event and lists a paid-attendee ROOTCON Survival Kit containing a conference badge, lanyard, and sticker set.
Docklands registration flow with sponsored lanyard evidence
BSides Melbourne 2020 is represented by official schedule evidence for early conference registrations plus the official sponsor page naming CyberSec People as sponsor of the BSides Melbourne 2020 lanyards.
Small self-driving car kit for the linux.conf.au Open Hardware Miniconf
linux.conf.au 2020's Open Hardware Miniconf in Gold Coast included DingoCar, a small self-driving car hardware kit and machine-learning platform assembled, driven, trained, and tested by participants.
CCCamp 2019 wearable sensor badge
A wrist-worn CCC Camp badge focused on sensing, health-style signals, BLE, and a Python-friendly app ecosystem.
Bring-your-own-controller WS2812B LED badge
An unofficial 36C3 badge kit made as a bring-your-own-controller blinky platform with a PCB, eight WS2812B addressable LEDs, eight 100 nF capacitors, lanyard, prototyping area, and controller examples using an Adafruit Feather M4 Express with CircuitPython.
Color screen, MicroSD, and IR badge
A Happy Gecko badge with 240x240 color display, MicroSD card reader, basic infrared communication, and a C firmware codebase split into modules.
Ticket and certificate checksum camp record
A conservative non-electronic Camp++ 2019 record for attendee identity: the official camp pages document the seventh H.A.C.K. camp at Fort Monostor, ticket registration, no required personal data, end-of-event ticketing-data destruction, certificate checksum verification, and instructions to bring the ticket either on a device or printed.
ESP32 e-paper keyboard badge
A WiFi-connected MicroPython badge for TROOPERS19 with ESP32-WROVER, 2.9 inch e-paper display, full QWERTY keyboard, joystick, USB-C charging/flashing, LEDs, accelerometer, and Shitty Addon support.
SHA2017-derived Badge.Team badge
A HackerHotel badge made mostly from leftover SHA2017 parts, adding PSRAM, IR, stereo audio, Grove I2C, and SAO expansion.
DIY circuit-building badge
A small DIY protoboard badge intended for attendees to build their own circuits.
ESP32 MicroPython and puzzle badge
A Finnish Disobey badge with ESP32 MicroPython, Hatchery apps, puzzle pointers, screen, buzzer, IR, buttons, and RGB LEDs around the PCB outline.
Badge.Team Hatchery and RGB matrix badge
A Badge.Team firmware badge with a documented app-development workflow, Hatchery submission path, hardware-mod instructions, OTA setup, and post-event behavior notes.
ESP32 39x9 LED-matrix badge for Pixels Camp
A Portugal source-backed ESP32 PCB badge for Pixels Camp 2019 with a 39x9 RGB LED matrix, IS31FL3741 LED driver, CH340G USB serial, USB/LiPo power, and public schematic/PCB design files.
Ukrainian ESP32 badge and CTF platform
A Ukrainian NoNameCon 2019 electronic badge built by TechMaker around an ESP32 platform with Wi-Fi/Bluetooth, OLED display, LEDs, capacitive input, OTA firmware, SpyNet backend interaction, and a six-flag badge CTF.
Bangle.js JavaScript and TensorFlow smartwatch badge
A NodeConf EU 2019 attendee smartwatch badge built around the NodeWatch/Bangle.js open-source JavaScript watch platform, with Espruino programming, nRF52832 BLE hardware, colour LCD, sensors, GPS/Glonass, app loading, and TensorFlow Lite gesture experiments.
SMART Response XE RF party pager
The 5ohBEE is a source-backed 2019 503 Party pager and game artifact documented by the Apache-2.0 `pdxbadgers/5ohBEE-2019` repository as a SMART Response XE-based pager project.
Crystal NFMI badge-game platform
A Grand Idea Studio DEF CON 27 badge built around NXP hardware with a KL27 ARM Cortex-M0+ controller, NFMI communication, quartz or crystal face details, role-specific badge identity, public firmware and schematics, and a conference-wide interaction game.
Unofficial DEF CON 27 nRF52840 hardware-hacking badge
The AND!XOR DC27 Badge was an unofficial DEF CON 27 badgelife board built around a Rigado BMD-340 / Nordic nRF52840 core with an IS31FL3741 LED matrix, light pipes, glow-in-the-dark capacitive touch, USB-C, FT2232H hardware-hacking bridge, SWD/Tag-Connect programming paths, SAO 1.69bis support, BOTNET mesh behavior, and B.E.N.D.E.R. v2.0 challenges.
ATtiny2313 Blade Runner badge with ESP32CAM add-on path
LayerOne 2019's electronic badge used a Blade Runner / Voight-Kampff theme around a small ATtiny2313 LED-and-button badge, with Hackaday documenting optional add-on boards including an ESP32CAM eye/face-recognition module for the badge's test-of-humanity behavior.
STM32 and iCE40 Enigma-machine badge with linked-ring challenge
The SAINTCON 2019 Enigma Badge was a two-board electronic conference badge shaped as a segment of an Enigma rotor, combining a curved RGB LED matrix, lampboard LEDs, 26 buttons, plugboard wiring, minibadge-holder support, and badge-to-badge connectors for a cooperative ring challenge.
Capacity-managed admission badge for BSidesLV
BSides Las Vegas 2019 is represented here by its official participant/admission badge system: badges were required for entry, walk-in badges were no longer available, and attendees secured badges through room-block, donor, sponsor, volunteer, speaker, student, local, or related conference paths.
ESP8266 Badge Pirates badge with Wi-Fi beacon game
The BSidesKC 2019 conference badge was a Badge Pirates ESP8266 badge with Wi-Fi behavior, reverse-mount LEDs, participant/speaker/organizer/volunteer/sponsor/pirate variants, a related Jr Hacker badge, and a rights-cleared repository photo served locally as optimized WebP.
Reprogrammable ATTINY85 badge with dual SAO ports
The BSidesROC 2019 badge is preserved through the official event archive and badge page, which describe a fully working reprogrammable electronic badge, about 200 assembled units, PCB fallback for attendees without the assembled option, and a best-hacked-badge contest.
Printed or electronic ticket-type conference badge
CactusCon 8 is seeded as a conservative ticket-type badge record because official registration pages for the December 2019 Mesa event say CactusCon attendees received either a printed badge or an electronic badge depending on ticket type.
ATtiny85 LED badge archive
The BSidesPDX 2019 Multnomah badge is a source-backed Portland Security BSides badge archive tied to the official schedule's badges-and-contests context and the public PDX Badgers KiCad, BOM, and firmware repository.
Membrane-keyboard ARG badge
The Queercon 16 Q Badge was an electronic DEF CON-adjacent social badge with a custom membrane keyboard, 2.9-inch e-paper display, RGB lighting, Bluetooth-capable TI CC2640R2 controller, Holtek LED driver, AA battery power, RJ12 6P6C badge-to-badge connector, and ARG mechanics across Q, C, and Handler badge roles.
DePaul IRL ESP32 badge with capacitive pads, LEDs, speaker, and microphone
The THOTCON 0xA / Infinity badge was a Chicago electronic conference badge produced with DePaul's Idea Realization Lab for the May 3-4, 2019 event. DePaul Newsline reported a six-month, 1,700-unit custom circuit-board badge build; the public Poplicola repository documents a SparkFun ESP32 Thing Dev base, five capacitive touch pads, six LEDs, speaker output, microphone input, stock-firmware restore commands, and Arduino examples.
ATtiny841 soldering badge with colored and RGB LEDs
The WOPR Summit 0x00 badge was an attendee-assembled electronic badge for the inaugural Atlantic City conference. Hackaday documents a WarGames/WOPR-inspired board with a dozen colored LEDs, eight RGB LEDs, through-hole LEDs and resistors, battery holders, and an ATtiny841 controller, while Russell Handorf's build guide preserves the soldering and staff-flashing workflow.
Steampunk Recon LED-eye badge
Recon Village's DEF CON 27 badge entry, The Skull Badge, was a steampunk-recon skull-shaped PCB design with mechanical artwork, LED eye illumination, and a CREW staff variant.
Flexible-PCB tree-game badge
A Grand Idea Studio badge for the first official international DEFCON edition, built as an artistic flexible-substrate PCB with 32 LEDs, USB connectivity, accelerometer input, role-color artwork variants, and a task-completion tree-lighting game.
ECP5 RISC-V badge in a Game Boy form factor
The 2019 Hackaday Superconference badge put a Lattice ECP5 FPGA, RISC-V soft-core SoC, color LCD, eight buttons, cartridge slot, HDMI, SAO headers, PMOD footprint, and mass-storage app workflow into a Game Boy-like handheld.
ATtiny85 and APA102 blinky CTF badge
Kernelcon's 2019 K-shaped badge was an electronic badge controlled by an ATtiny85, powered by three CR2032 cells, and fitted with five APA102 addressable RGB LEDs plus a button-driven mode system and CTF clues.
nRF52 OLED/BLE badge with games and challenges
The NorthSec 2019 badge repository documents an nRF52832 and STM32F070 electronic badge with OLED, BLE, NeoPixel RGB LEDs, buttons, USB, Li-ion or USB power, schematics, BOM material, Gerbers, firmware applications, games, challenges, schedule code, and BLE/LED control utilities.
Official-history-backed CTF electronic badge
Hackfest's official history says the 2019 CTF innovated by introducing an electronic badge, and that the addition was an immediate hit with participants. The 2019 schedule documents badge pickup on October 31, November 1, and November 2, plus CTF registration and CTF room activity during the Plaza-era Quebec City event.
TwinkleTwinkie PCB-art badge
TwinkleTwinkie's DEF CON 27 Hardware Hacking Village bio lists the BSides Vancouver 2019 Badge among notable artistic PCB badges and indie badge add-ons produced by the independent PCB artist. The current official B|Sides Vancouver site keeps the Vancouver Security BSides lineage visible, while this pass keeps the badge record limited to the artifact name, maker trail, and PCB-art classification.
Arduino-compatible badge with games, base-station laser tag, and C interpreter
HackRVA's RVAsec 8 badge post documents the 2019 conference badge as a custom Arduino-compatible layout with games, Badge Monsters, Maze, base-station Laser Tag, a scoreboard plan, and a public Dustin Firebaugh C-interpreter repository.
Taiwan-shaped ARM TrustZone challenge badge
An official HITCON CMT electronic board badge shaped around Taiwan, combining collectable conference identity, 24 LED unlock states, sponsor booth challenges, a snake warm-up, and ARM TrustZone exploitation stages.
Philippine custom programmable conference badge sponsor-placement record
ROOTCON's official archive and quick guide place ROOTCON 13 at Taal Vista Hotel in Tagaytay on September 25-27, 2019, while the official sponsor prospectus sells an RC13 Badge add-on and describes ROOTCON as the first Philippine conference with a custom programmable conference badge.
10th-anniversary special-edition electronic badge
A conservative official-archive record for HITB's 10th-anniversary Amsterdam electronic badge, documented on the 2019 event page as a special-edition badge with HITB Badge Village reprogramming, secret features, and challenges.
nRF52840 e-paper smart badge with audio, NeoPixels, and SAO
A source-backed ARAMCON 2019 smart badge record for an nRF52840 conference badge with a 2.9-inch e-paper display, accelerometer, flash, MP3/WMA audio codec, Cherry MX keys, NeoPixels, SAO connector, CircuitPython support, and public KiCad hardware files.
ATtiny13A solder-and-program participant badge
BSides Puerto Rico 2019's badge is preserved as a DIY participant kit: an easy-through-hole electronic badge built around an ATtiny13A, two red/blue LEDs, two 680 ohm resistors, a slide switch, CR2032 power, public Gerbers, KiCad files, Arduino sample code, and real assembled-badge photos.
Australian electronic badge firmware and Hardware Hacking Village record
BSides Canberra 2019 is preserved as a source-backed electronic-badge record because the official ticketing page included an electronic badge, the Hardware Hacking Village page offered badge firmware reflashing and direct discussion with hardware badge makers, and the later official speaker export names the 2019 firmware line as Nopia 1337.
Brisbane attendee, staff, Friendly Bear, and speaker badge markers
CrikeyCon VI is represented by official archive evidence for attendee badge pickup plus badge-mediated event roles: event staff identified by badge, Friendly Bear volunteers visible by name badge, and accepted speakers/trainers/event holders receiving special speaker badges.
Raspberry Pi Zero sensor-bonnet hardware kit for Apprentice Linux Engineer labs
linux.conf.au 2019 hosted the Apprentice Linux Engineer tutorial track in Christchurch, where lab participation required a purchased Floral Bonnet board for Raspberry Pi Zero hands-on embedded-Linux exercises.
Raspberry Pi and TensorFlow self-driving car kit for the Open Hardware Miniconf
linux.conf.au 2019's Open Hardware Miniconf included a Donkey Car self-driving car kit designed by the Open Hardware Miniconf team, assembled by participants, and used for TensorFlow-based driving experiments.
Arts Centre identity-badge materials with electronic challenge context
CHCon 2019's official sponsorship page documents identification tags/badges and printed materials, while the official about page documents a two-day CTF with cyber, physical, and electronic challenges.
Buenos Aires speaker VIP identity badge
A conservative NotPinkCon 2019 record for the VIP badge listed as a speaker benefit in the conference CFP, tied to the Buenos Aires women-led information-security conference rather than an electronic badge lineage.
ESP32 colour-screen game badge
BSides Cape Town 2019's badge was an ESP32 electronic badge with a 1.3-inch 240x240 IPS colour display, touch buttons, 18650 battery, custom PCB, 3D-printed case, Arduino/ESP32 firmware, local SDL debugging support, WiFi high-score sync, Bluetooth GamePad experiments, and a public GPL-3.0 firmware repository.
Japanese cocktail-glass soldering-village PCB badge
AVTOKYO 2019's hardware soldering village used a cocktail-glass-shaped blinky PCB badge designed around AVTOKYO's no drink, no hack motto, transparent non-masked PCB areas, RGB flashing LEDs, reverse-mounted LED experimentation, CR2032 coin-cell power, and beginner soldering participation.
Japanese Halloween soldering-village PCB badge
CODE BLUE 2019's first hardware soldering village used a simple Halloween-themed blinky PCB badge, built around a custom PCB, RGB and 1206 LEDs, CR2032 coin-cell holder, CR2032 battery, transparent unmasked PCB smile, and normal or reverse LED soldering options.
Unofficial SR-latch PCB badge for Labitat
An unofficial Labitat indie badge for 35C3 using the congress artwork theme, a simple flip-flop memory circuit, reverse-mount LEDs, a two-AA battery holder, and an optional power-only Shitty Add-On footprint.
EMF 2018 phone-like MicroPython badge
An EMF badge with MicroPython, WiFi, GSM/SMS/calling, screen, sensors, keypad, Grove connectors, and a badge store.
Happy Gecko plus Bluetooth badge
A Happy Gecko-based BornHack badge that added a Nordic nRF51 Bluetooth-capable microcontroller and a breakout-board branch for hardware add-ons.
ESP32 fox badge with jewels and robot paths
A fox-shaped ESP32 badge with 5x7 LED eye matrices, touch pads, buzzer, 18650 power, Lego Technic mounting holes, and jewel add-ons.
Nokia-3310-inspired ESP32 badge
An Italian Hacker Camp badge built around recycled Nokia 3310 shells, ESP32 WiFi hardware, an LCD, keypad, accelerometer, compass, buzzer, NeoPixels, and MicroPython.
Non-electronic camp wristband identity record
A conservative non-electronic HaxoGreen 2018 identity record: the official FAQ documents required camp wristbands and infodesk pickup, while the event blog anchors the 2018 camp edition and ticket sale.
ESP8266 WiFi badge running the Proteus firmware ecosystem
A Swiss Area41 2018 conference badge with an ESP8266 WiFi chip, display, web-based name configuration, LCD nickname display, Area41 schedule app, WiFi-scanning behavior, button-order Easter eggs, and public Proteus firmware.
Ticket and certificate checksum camp record
A conservative non-electronic Camp++ 2018 record for attendee identity: the official camp pages document ticket registration, no required personal data, end-of-event ticketing-data destruction, certificate checksum verification, and instructions to bring the ticket to Fort Monostor.
10th-edition electronic badge
BruCON's 10th-edition electronic badge, documented as a schedule, venue-map, reminder, alcohol-sensor, and public ESP-IDF/KiCad badge project.
USB-serial hardware-hacking CTF badge
A Hacktivity conference badge with USB mini connectivity, FT232R/FT232RL USB UART discovery, a cross-platform 9600 baud serial workflow, boot-time CTF app, UART jumper path to a root shell, and optional RF-module soldering notes.
USB HID and serial puzzle badge
A simple Security Fest 2018 challenge badge with USB-A, two buttons, four DIP switches, red/green LEDs, HID text output, serial puzzle flow, and an open SecBadge hardware repository.
Retro-gaming attendee object badge
A non-electronic SteelCon attendee badge where floppy disks were used as the badge object for a year with a retro gaming area and orange shirts.
Retro-computing BASIC and CP/M badge
A battery-powered retro-computing badge with 55-key keyboard, 320x240 RGB TFT LCD, PIC32MX370F512H, external flash, speaker, BASIC interpreter, CP/M/Z80 emulation, and expansion-header hacking.
Pixl.js JavaScript badge with RGB, sensors, and expansion headers
An Apache-2.0 archived NearForm badge for NodeConf EU 2018 in Kilkenny, based on Pixl.js and Espruino with LCD, Bluetooth programming, RGB lighting, vibration motors, light, accelerometer and magnetometer APIs, extension headers, apps, patterns, and attendee name tooling.
Tymkrs electronic text-adventure badge
A Tymkrs / Toymakers official DEF CON 26 electronic badge with a PIC32MM0256GPM controller, reverse-mounted LEDs, capacitive controls, four-AA battery stack, USB serial interface, badge-to-badge connector, add-on header, and a retro text-adventure badge challenge.
Bluetooth LE wrist party badge
The DC503 DEF CON 26 VIP Banglet is a source-backed wrist-worn party badge documented by the Apache-2.0 `pdxbadgers/2018-banglet` repository and by BSidesPDX 2018's public Making of the Banglet talk listing.
Unofficial DEF CON 26 ESP32-WROVER Wild West of IoT badge
The AND!XOR DC26 Badge was an unofficial DEF CON 26 badgelife board themed as the Wild West of IoT, built around an ESP32-WROVER module with WiFi/Bluetooth, a color LCD, microSD, IS31FL3736-driven RGB lighting, CP2102N USB serial, LULZCODE scripting, the B.E.N.D.E.R. console challenge, and badge-to-badge networking ambitions.
ESP32-WROOM-32 audio badge with Alexa experiment path
LayerOne 2018's electronic badge was an ESP32-WROOM-32-based audio and network badge documented by the official HHV archive, Hackaday's event report, the linked CharlieX ESP32_Alexa repository, and mmca's public hardware notes.
ESP32 MicroPython badge with 8x32 LED matrix and twelve minibadge spots
The SAINTCON 2018 ESP32 Badge was an electronic conference badge built around a LOLIN D32 / ESP32 module running MicroPython, an 8x32 LED matrix, three buttons, a rechargeable battery, Wi-Fi configuration behavior, Hacker Challenge score display, and twelve minibadge spots.
Tampa Bay BSides badge/lanyard artifact with electronic assembly context
BSides Tampa 2018 is represented here by a visible event badge/lanyard artifact in a CC BY-SA documentary photo, paired with an attendee report that says more than 750 attendees participated in Electronic Badge Assembly among the event activities.
Attendee kit badge by Jonathan Singer
The BSides Orlando 2018 badge is preserved as a simple discrete marquee badge given to attendees as a kit, documented by Jonathan Singer's Hackaday.io project record and anchored to the official Security B-Sides Orlando 2018 event site.
Ticketed paid-badge registration artifact
CactusCon 2018 is seeded as a conservative paid-badge record because contemporaneous Arizona LoCo Team meeting notes say the September 28-29 Mesa Convention Center event required tickets, offered free admission, and let attendees pay to get a badge.
ATTiny861 LED and SAO badge archive
The BSidesPDX 2018 badge is a source-backed Portland Security BSides badge archive tied to the official BSidesPDX 101 badge panel and the public PDX Badgers KiCad, BOM, LED mapping, and ATTiny861 firmware archive.
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.
Spy and skull Recon Village badge variants
Recon Village's DEF CON 26 badge entry, The Dual Design, used two official visual variants: a classic spy silhouette and a detailed skull design in a black-and-white aesthetic.
SMD Challenge and 8-bit art badge
The ToorCon San Diego 20 badge is preserved here as a 400-kit official-badge request that folded MakersBox's SMD Challenge into a larger 8-bit-art conference badge with hidden codes, eight SMD LEDs, and an ATtiny84.
MSP430 electronic jar-of-fireflies camp badge
ToorCamp 2018's badge is preserved as a Great Scott Gadgets and OSH Park sponsored electronic jar of fireflies: a soldering-station badge kit built around an MSP430G2211, six green through-hole LEDs, CR2032 power, and open design/firmware files.
BASIC and CP/M handheld computer badge
The 2018 Hackaday Superconference badge was a battery-powered handheld retrocomputer with a 320x240 color display, mini QWERTY keyboard, speaker, flash storage, expansion header, BASIC interpreter, and Z80 CP/M emulator.
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.
HackRVA electronic badge with games, puzzles, and two-channel audio
HackRVA's 2018 recap and badge wiki document more than 300 RVAsec electronic hardware badges with badge games, puzzles, two-channel audio behavior, challenge content, and badge-hacking competition context.
Blockchain wallet badge with secure element, e-paper, Wi-Fi, and BLE
HITCON CMT 2018's official events page documents HITCON Wallet as a limited blockchain electronic badge for Royal VIP and Premium Pass holders, with secure-element cold-wallet functionality, electronic paper, Wi-Fi, and Bluetooth Low Energy. The same official page says holders could join a secret activity during the conference and later use the device as an offline physical wallet for Bitcoin or Ethereum.
Philippine official badge and maker-post electronic-badge record
ROOTCON's official archive places ROOTCON 12 at Taal Vista Hotel in Tagaytay on September 27-28, 2018, the official quick guide says registration included an official ROOTCON badge, and Jay Turla / @shipcod3 preserves a public maker post titled ROOTCON 12 Electronic Badge.
Qihoo360 Unicorn Team electronic badge with Badge Village games
An official HITB Amsterdam electronic badge record for registered conference attendees, with public CommSec Village evidence for Qihoo360 Unicorn Team design, Badge Village hacking support, packet-decoding play, mini-games, hidden challenges, and hardware specs.
Special-edition HITB2018PEK badge with MTK-series hardware notes
A conservative official-archive record for the special-edition HITB2018PEK badge at JD-HITBSecConf2018 Beijing, with Badge Village evidence for secret features, mini-games, hidden challenges, open-source intent, and MTK-series hardware notes.
Special-edition electronic badge with Badge Village hacking path
A conservative record for the special-edition electronic badge given to HITBSecConf2018 Dubai attendees, documented by the official event archive as a hackable badge with Badge Village support.
Australian physical-security conference speaker credential
A first-hand MOS & BOO wrap-up documents special speaker badges for OzSecCon 2018 and shows one as a green PCB-form speaker credential, so the record is seeded as a source-backed speaker badge without broader attendee or electronics claims.
NodeMCU-based electronic badge and hardware-interface tool
The BUSSide was the BSides Canberra 2018 electronic badge, issued to 2,000 delegates and documented through official BUSSide pages, CSides talk notes, GitHub Pages documentation, and a public source repository.
Brisbane pre-registration credential with special speaker-badge evidence
CrikeyCon V is represented by official archive evidence for Friday pre-registration badge collection plus call-for-participation benefits that promised special speaker badges to presenters, trainers, and event or workshop holders.
Handmade NodeMCU ESP8266 WiFi badge with badge-hack contest context
Contemporary Australian Cyber Security Magazine coverage documents BSides Perth 2018 attendees receiving a cool, unique handmade conference badge using a NodeMCU ESP8266 WiFi SoC, with a badge-hack prize promoted before the event.
ESP32 soccer-robot kit for the linux.conf.au Open Hardware Miniconf
linux.conf.au 2018's Open Hardware Miniconf used LoliBot, an ESP32 two-wheel robot kit with MicroPython workshop material, public example software, USB serial setup, WiFi/MQTT configuration, sensors, motors, neopixels, and a front kicker servo.
Christchurch identity tag with source-backed badge-challenge context
CHCon 2018's official site documents identification tags/badges as part of the event materials and says CTF, badge, and locksport challenges would run throughout the main event.
Official identity badge and afterparty credential
Kiwicon 2038's official site required attendees to wear a Kiwicon2038 badge and lanyard visibly during the conference and to bring the badge to the afterparty.
One-day soldering and Arduino conference-badge workshop artifact
Kiwicon 2038's official Intro to Badge Hacking training page documents a one-day workshop where attendees built and hacked their own conference badge from supplied electrical components and tools.
Official lanyard and glow-in-the-dark star identity badge
Purplecon's official 2018 diary says attendees received a lanyard with the official purplecon badge, a glow-in-the-dark star, when entering the Kiwicon-adjacent Wellington event.
Bottle-shaped ESP32 BLE and OLED badge
A small-batch H2HC 2018 bottle-shaped PCB badge with an ESP32 WROOM, I2C OLED display, six controllable LEDs, BLE behavior, AAA or USB power, and Arduino IDE source-code notes.
Kenyan electronic badge archive record
A conservative AfricaHackOn 2018 electronic-badge record anchored to the OPCDE Kenya agenda, which listed a dedicated making-of session for the badge during the Nairobi event.
Indian conference identity badge with official sponsor and lanyard trail
A conservative Nullcon Goa 2018 badge record from official archive pages documenting March 2-3, 2018 conference registration, Holiday Inn Resort Goa venue context, a dedicated Badge Sponsor, a Lanyard Sponsor, and volunteer instructions requiring the badge to be clearly visible.
Dutch camp Badge.Team milestone
A Badge.Team-supported Dutch camp badge with ESP32, e-paper, WiFi, Hatchery apps, WebUSB install paths, production lore, and a lasting role in European badge culture.
Happy Gecko OLED programming badge
BornHack's first deeply programmable badge used a Silicon Labs Happy Gecko MCU, OLED display, buttons, USB, and an example-heavy firmware repository.
Swiss camp neck-worn PCB badge
A conservative record for the ZeTeCo 2017 camp badge, seeded from the dedicated media.ccc.de badge talk and the archived camp wiki.
Ticket and certificate checksum camp record
A conservative non-electronic Camp++ 2017 record for attendee identity: the official camp pages document ticket registration, no required personal data, end-of-event ticketing-data destruction, certificate checksum verification, and instructions to bring the ticket to Fort Monostor.
ESP8266 GulaschPushNotifier badge
An Entropia-produced Gulaschprogrammiernacht 17 badge built around ESP8266, a 128x128 LCD, 18650 power, sensors, WS2813 LEDs, IR, a ROM store, and Hack-the-Badge camp challenges.
Raw Hex USB HID hardware badge
The 44CON 2017 brochure documents the conference badge as a Raw Hex HIDIOT 1.0 44CON edition, a build-it-yourself USB HID board programmed through the Arduino IDE and supported by HIDIOT documentation, assembly help, and a Hackster project competition.
Limited electronic badge for r2con speakers and friends
A limited electronic badge made for r2con 2017 speakers and friends in Barcelona, documented by the official badge-manufacturing talk and first-hand reporting that says it showed project-status information such as build state, last commit, and GitHub stars.
JavaScript hackable BLE badge
An open-source hackable JavaScript badge for NodeConf EU 2017 in Kilkenny, built by NearForm around Gordon Williams' Espruino/Puck.js lineage with BLE, LCD, NFC, buttons, CR2032 power, attendee-name programming, code examples, and challenge behavior.
Rubber identity badge in a badgelife breakout year
A DEF CON 25 official admission badge recorded in DEF CON feedback as a rubber or plastic identity badge, not an electronic puzzle board, paired historically with an unusually large wave of unofficial DEF CON 25 hardware badges and badge-maker coordination.
Unofficial DEF CON 25 nRF52 BLE badge with BOTNET game
The AND!XOR DC25 Badge was an unofficial DEF CON 25 badgelife board built around a Rigado BMD-300 / Nordic nRF52 module, color TFT, WS2812B LEDs, sensors, microSD, BLE smartphone integration, TCLish scripting, BYOB bling, CHIP8/SCHIP games, and a badge-to-badge BOTNET game.
nRF52832 BLE OLED wagon-game badge
The DC503 Wagon Party badge is a source-backed party badge documented by the no-visible-license `pdxbadgers/wagonparty` repository, whose README calls the target a badge and whose firmware advertises a `503WAGON` BLE device with OLED game modes.
STM32F4 badge for CAN bus and vehicle-hacking experiments
LayerOne 2017's electronic badge was a CAN-bus-focused STM32F4 conference badge with a TFT display, storage, USB device and host behavior, external CAN headers, audio output, rechargeable battery planning, PC-side CAN tooling, and J2534-adjacent software work.
Raspberry Pi Zero W badge with TFT, SNES-style buttons, MiniBadges, and Hacker Challenge registration
The SAINTCON 2017 badge was an electronic conference badge built around a Raspberry Pi Zero W and a custom SAINTCON board with a 2.8-inch TFT display, SNES-style buttons, battery power, MiniBadge expansion, Hacker Challenge registration, and a post-conference RetroPie conversion path.
TYMKRS cubic mesh-network puzzle badge
The CypherCon 2.0 Cube was a three-dimensional electronic badge by TYMKRS, assembled from cube-edge PCBs with LEDs, microprocessors, buses, USB, battery charging, mesh-network behavior, text-adventure firmware, and a badge-to-badge programming premise.
Soldered WemOS scanner badge
The CactusCon 2017 badge is preserved through a first-hand attendee writeup that describes paying for the badge package, soldering and troubleshooting the board at the Phoenix-area event, and using it as a tiny Wi-Fi and Bluetooth scanner.
Nordic BLE badge and Ox-Vox add-on target
The BSidesPDX 2017 badge is a source-backed Portland Security BSides badge archive tied to the official schedule's badge context, Rob Rehrig's Ox-Vox add-on talk, and the public PDX Badgers Eagle board, schematic, and BOM repository for a BMD-300/OLED/CR2032 design.
ATmega32u4 tesserHack maze badge
The THOTCON 0x8 badge was a Chicago electronic conference badge built around an ATmega32u4, four RGB NeoPixel LEDs, three potentiometers, micro USB, two CR2032 coin-cell holders, and tesserHack stock firmware for an 8x8x8 maze game.
First Recon Village spy-silhouette badge
Recon Village's first Badge Life entry was The Original, a DEF CON 25 electronic badge with the village's spy-silhouette design, die-cut shape, hardwear.io lanyard, and foundation-of-tradition framing.
Special lifetime-access electronic award badge
The DerbyCon 7.0 Legacy Black Badge was a special electronic black-badge award artifact made for DerbyCon 2017, using an Atmel XMEGA core, a large LED-heavy PCB, laser-cut acrylic, custom STL work, and first-hand published build notes.
PIC32 camera badge with OLED and MicroSD
The 2017 Hackaday Superconference badge was an official Mike Harrison camera badge with a PIC32MX170F256D, OV9650 camera module, 128x128 color OLED, MicroSD storage, accelerometer, buttons, bootloader, white LED illuminator, prototyping area, and expansion header.
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.
HackRVA badge artifact with badge-intro and CTF-room context
The RVAsec 2017 badge record is intentionally conservative: official RVAsec sources place HackRVA badge distribution in the 2017 layout and sponsor trail, and InfoconDB preserves a Badge Intro item, but this pass did not recover final component, firmware, schematic, or complete attendee-guide evidence.
MediaTek electronic badge with Wi-Fi, BLE, IR, joystick, and LED display
HITCON CMT 2017's official event page documents the HITCON Badge Challenges activity and an electronic badge powered by a MediaTek chipset, with Wi-Fi, Bluetooth LE, game-controller/joystick, infrared, and LED display features. The official ticketing page ties the limited deluxe electronic badge to the Premium Pass, and the events page says additional badges would be released for conference-day purchase.
Philippine official electronic badge sponsor-placement record
ROOTCON's official archive places ROOTCON 11 at Taal Vista Hotel in Tagaytay on September 21-22, 2017, and the official partnership kit sells logo placement on the official ROOTCON 11 electronic badge.
ESP8266 NodeMCU Hardware Hacking Village challenge badge
Ruxcon 2017's Hardware Hacking Village badge is preserved as an Australian ESP8266/NodeMCU challenge badge with official HHV schedule evidence, public firmware source, and post-event flag walkthroughs.
Brisbane pre-registration credential with CFP speaker-badge evidence
CrikeyCon 2017 is represented by official archive evidence for Friday pre-registration badge collection plus CFP evidence that accepted presenters, trainers, and event holders received a special speaker badge.
Wemos D1 Mini acrylic badge with OLED and RGB shields
BSides Perth's official 2017 badge blog records a Wemos D1 Mini conference badge with OLED shield, RGB shield, switched AA battery holder, laser-cut and etched acrylic base, Arduino IDE code, and a public GitHub repository.
linux.conf.au Open Hardware Miniconf ESP32 badge board
linux.conf.au 2017's Open Hardware Miniconf centered on IoTuz, an ESP32-based custom board documented by the official schedule, CCHS Melbourne hardware and firmware repositories, workshop setup notes, and attendee driver work.
ATTiny85 USB HID injector badge
A small H2HC 2017 badge built around an ATTiny85 USB-stick module for USB HID keyboard-injector experiments, Micronucleus bootloader flashing, and Arduino IDE workshop-style payload development.
two-part ESP and CC1111 RF challenge badge
A BSides Cape Town 2017 badge system documented as two separate physical badges: a black flux-capacitor badge with an ESP chip and a red RF badge with a CC1111 RFCat-compatible radio, USB port, and button.
Kenyan ESP8266 OLED MQTT conference badge
A limited-run AfricaHackOn 2017 electronic conference badge built around an ESP8266-01, 0.96-inch 128x64 I2C OLED display, LEDs, resistors, hand-built mounting-board construction, Arduino firmware, WiFi scanning, and MQTT schedule updates.
EMF 2016 MicroPython badge
An EMF badge with color LCD, WiFi, sensors, MicroPython, app library, and USB hacking workflow.
Initial Commit soldering-kit badge
A hacker-friendly solder-it-yourself badge kit combining a nametag, flashlight, Joule Thief circuit, AA battery, and prototyping area.
Arduino-compatible AVR camp badge with IR play
A custom Fri3d Camp badge derived from Arduino Micro-era hardware, designed for roughly 300 attendees as both a beginner-friendly badge and a reusable Arduino development board.
Wristband, ticket, hackerpassport stamp, and goodie-bag record
A conservative non-electronic HaxoGreen 2016 identity record: the public wiki documents required camp wristbands, infodesk pickup, hackerpassport stamps, tickets, and arrival goodie bags with T-shirts.
Ticket, certificate checksum, and CAcert ID context
A conservative non-electronic Camp++ 2016 record for attendee identity: the official camp pages document ticket registration, no required personal data, end-of-event ticketing-data destruction, certificate checksum verification, bring-your-ticket arrival guidance, and state-issued photo ID only for optional CAcert assurance.
Unreleased USB HID prototype board
The 44CON 2016 badge was the unreleased HIDIOT 0.7 board, a USB Human Interface Device Input/Output Toolkit prototype that attendees could build, program through the Arduino IDE as a Digispark-compatible device, and use for HID payload experiments.
PIC badge with IR sync, TV-B-Gone, and password manager
BalCCon's first official badge combined synchronized LED patterns, IR badge-to-badge recognition, a TV-B-Gone mode, and a USB HID password manager.
PIC badge with LED matrix, IR, and open firmware
A slim open-hardware conference badge designed around a red 8x16 LED matrix, PIC18LF25K50, IR send/receive, USB bootloader, tactile controls, and attendee-written demos.
Electronic skull badge with Konami and serial puzzle paths
A Ryan Clarke / 1o57 DEF CON 24 electronic skull badge with a mini processor, buttons, LED eyes, printed codes, hidden-trace/silkscreen text, serial strings, lanyard data, conference-media files, and a badge challenge that used the Konami Code as an early visible hook.
Unofficial DEF CON 24 STM32 and RFM69 badgelife badge
The AND!XOR DC24 Bender Badge was an unofficial DEF CON 24 badgelife badge with a Bender-shaped PCB, STM32F103 controller, OLED screen, RGB LEDs, RFM69W 433 MHz radio, USB serial terminal behavior, games, GPIO breakouts, and a public post-event hardware/software archive.
PSoC4 and ESP8266 badge with 20 WS2812B LEDs
LayerOne 2016's electronic conference badge returned to the PSoC4, ESP8266, and WS2812B platform as a single LED badge with Wi-Fi working before the event, a mini prototyping area, exposed rails and I/O, and public build logs from CharlieX.
D1 Mini ESP8266 badge kit with MAX7219 LED display and Hackers Challenge registration
The SAINTCON 2016 badge was an electronic kit badge built around a D1 Mini ESP8266 development board, MAX7219 LED driver, and two 4-digit LED modules, with public assembly, flashing, and Hackers Challenge registration documentation.
555-timer light-reactive soldering badge kit
CarolinaCon 12 included an easy-to-assemble electronic kit badge in the price of admission, with a 555 timer, LED, photoresistor, resistors, capacitor, AAA battery holder, wire, protoboard space, and Hardware Hacking Village support.
ATTiny85 capacitive LED PCB badge
The BSidesPDX 2016 badge is a source-backed Portland Security BSides PCB badge record tied to Calagator's event listing, official BSidesPDX 2016 schedule and speaker pages, and the public PDX Badgers ATTiny85 Eagle board, schematic, BOM, and Arduino firmware archive.
PIC18 LED-matrix badge with IR and accelerometer
The 2016 Hackaday Superconference badge, also documented as the Supercon II badge, was a Voja Antonic-designed open hardware badge with a red 8x16 LED matrix, PIC18LF25K50/PIC18F25K50-class MCU, integral LIS3 accelerometer, infrared communication, USB bootloader, five tactile controls, and expansion pads.
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.
Hand-built badge with USB reflashing and CTF challenge hooks
The RVA5sec 2016 badge is documented by HackRVA's official interview as a hand-built custom-firmware electronic badge with reused/improved hardware, standard USB reflashing, low-frequency serial-transmission experimentation, and CTF challenge hooks.
STM32F030 IR Hardware Hacking Village badge
Ruxcon 2016's Hardware Hacking Village badge is preserved as an Australian STM32F030K6T6 badge with IR receiver/emitter hardware, eight LEDs, dual CR2032 holders, assembly documentation, and a public firmware archive.
Home-made Arduino badge with conference schedule display
BSides Canberra 2016 is represented by official event context and a contemporary Register report saying delegates received a home-made Arduino badge that displayed the conference running order.
ESP8266 environmental-sensor board for the linux.conf.au Open Hardware Miniconf
linux.conf.au 2016's Open Hardware / Arduino Miniconf produced ESPlant, an ESP8266 WiFi environmental-sensor board with solar-friendly power, onboard sensors, optional external sensors, Arduino firmware, and public hardware files.
Michael Fowler Centre visible identity credential
Kiwicon X's official site required attendees to wear a Kiwicon X badge and lanyard visibly in the venue and tied that credential to the Michael Fowler Centre pickup workflow.
ESP8266 IR faction-game badge
A BSides Cape Town 2016 badge built around ESP8266, 128x64 OLED display, eight UI buttons, rear reset and program buttons, IR transmit and receive, level LEDs, faction RGB LED, USB-charged 600 mAh LiPo, schedule UI, challenges, and an organic faction game.
Singapore ESP8266 CTF badge
NUS Greyhats' X-CTF 2016 finals used a custom ESP8266 electronic badge documented by the official event page, the badge designer's hardware and firmware writeups, and public hardware and firmware repositories.
CCCamp 2015 SDR badge
A HackRF-inspired software-defined radio badge that let campers receive, transmit, inspect spectrum, flash evolving firmware, solder RF add-ons, and keep hacking long after camp.
Ticket, certificate checksum, and CAcert ID context
A conservative non-electronic Camp++ 2015 record for attendee identity: the official camp pages document the third annual outdoor geekery as the camp before the camp, with ticket registration, no required personal data, end-of-event data destruction, certificate checksum verification, bring-your-ticket arrival guidance, and state-issued photo ID only for optional CAcert assurance.
Electrolab Arduino Micro-compatible kit
A limited NDH2K15 electronic collector badge kit sold through the official Nuit du Hack store, described as Arduino Micro-compatible, USB-compatible, easy to program or hack, and developed by Electrolab.
Playable vinyl-record noir puzzle badge
A Ryan Clarke / 1o57-designed DEF CON 23 badge issued as an actual playable 7-inch vinyl record, with role-colored editions, printed mystery alphabets, inner-groove markings, lanyard ciphers, record audio, and a noir-themed badge challenge.
PSoC4 blinky badge and VoCore OpenWRT network badge
LayerOne 2015's badge effort produced two electronic badge designs documented by the official Hardware Hacking Village archive and CharlieX's Hackaday.io project: a battery-powered PSoC4, ESP8266, and WS2812B blinky badge plus a VoCore/RT5350F OpenWRT network badge with Wi-Fi and dual Ethernet intent.
Cisco CMX-linked attendee badge with LCD, buttons, schedule, and challenge score
The SAINTCON 2015 badge was a purpose-built Wi-Fi enabled attendee show badge described by Cisco as a conference-scale experiment: roughly 550 participants carried LCD-and-button badges that used Wi-Fi location data for zone awareness, schedule lookup, and live Hacker Challenge score display.
ESP8266 Badger hacking board
The BSidesPDX 2015 Badger badge is a conservative source-backed badge-hacking board record tied to the official Electronic Taxidermy: Badger Hacking workshop and the public PDX Badgers 2015 PCB and firmware repositories.
Team hardware badge for the Bonsecours CTF
NorthSec's official past-editions page documents the 2015 Bonsecours CTF as a 54-team competition where participants, grouped in teams of eight, each had a hardware badge tied to network, IPv6 workstation, RF-monitoring, smartcard, and related challenge paths.
Hand-built HackRVA PCB badge with IR, LCD, audio, and USB
The RV4sec 2015 badge is documented by HackRVA's official build post as a hand-built electronic badge with custom PCB assembly, surface-mount components, IR, audio, micro USB, LCD, and an optional reset-header development path.
STM32 Hardware Hacking Village badge
Ruxcon 2015's Hardware Hacking Village badge is preserved here as an Australian STM32 badge with public KiCad/Gerber files, schematic material, firmware examples, SMD assembly instructions, CR2032 power, and SWD/OpenOCD programming notes.
Cyberwar is Hell visible venue credential
Kiwicon 9's official site told attendees to wear their badge visibly while in the venue and documented early pickup before the December 10-11, 2015 Wellington conference.
Japanese ATmega328P LED attendee badge
AVTOKYO's official 2015 badge page says the conference made an electrical badge for attendees, with an AT-MEGA328P-PU, eight 5mm LEDs, two push buttons, 16 MHz crystal, resistors, capacitors, IC socket, coin-cell holder and battery, public KiCad PCB design, and public Arduino program.
EMF 2014 schedule and radio badge
An EMF badge built around camp schedules, radio base-station updates, online registration, alerts, torch mode, and practical utilities.
Assemble-and-hack Black Badge challenge
A limited collector badge and hardware-hacking challenge from Nuit du Hack 2014, with public challenge rules, writeups, and a Virtualabs repository.
Propeller 1 infrared puzzle and contest badge
A Parallax-built official DEF CON badge for DEF CON 22, based on the Propeller 1, infrared transmit/receive hardware, touch-pad buttons, LEDs, full USB programming, exposed I/O, and thirteen attendee-role styles.
Issued physical badge for the tenth HOPE
The HOPE X Badge was the physical badge issued at the tenth Hackers On Planet Earth conference in New York City, preserved here through a real CC0 Wikimedia Commons attendee/uploader photograph of the event badge.
Arduino-clone badge with FTDI header, blinky expansion board, and hidden challenges
The SAINTCON 2014 badge was an Arduino-compatible conference badge designed for attendee soldering and badge hacking, with FTDI programming, LED blinky behavior, a companion blinky expansion board, and hidden Hacker Challenge secrets documented in first-hand and Hackaday coverage.
HeatSync Labs solderable PCB badge
The CactusCon 2014 PCB badge is preserved through Eric / Robot Ambassador's first-hand writeup, which describes 300 event badges designed by Erik Wilson, given away at the HeatSync Labs booth, and assembled by attendees with LEDs, resistors, batteries, and acrylic hardware.
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.
Indian hardware-hacking conference badge
A conservative Nullcon Goa 2014 hardware-badge record tied to the official Nullcon Hardware Badge 101 (Desi Jugaad) talk, which covered electronics, microcontrollers, LEDs, the design of the 2014 hardware badge, what could be done with it, and production problems.
Dutch camp non-PCB identity artifact
A non-electronic identity-artifact entry for OHM2013, modeled as the camp's patch/hat style rather than as a programmable PCB badge.
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.
ARM, 2.4 GHz, LCD, USB, and button badge
A source-backed Hackover 2013 badge record: the event blog described an assembled and flashed badge PCB for every attendee, with ARM processor, 2.4 GHz radio, 6.5 Kpx LCD, USB, and buttons.
Ticket, checksum, and infrastructure-price camp record
A conservative non-electronic CampZer0 2013 record for attendee identity: the official camp pages document the zeroth H.A.C.K. camp at Fort Monostor, ticket registration, no required personal data, pre-event data destruction promise, certificate checksum verification, instructions to bring the ticket either on a device or printed, optional CAcert-assurance photo-ID context, and ticket-price infrastructure lore.
Non-electronic PCB playing-card puzzle badge
A Ryan Clarke-designed DEF CON 21 badge series built as poker-card printed circuit boards: non-powered identity artifacts whose copper, soldermask, silkscreen, inner-layer metal, role variants, and encoded face-card relationships formed a cryptographic and physical badge challenge.
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.
Ticket-included Perth hacker-con identity badge
WAHCKon's official 2013 ticket page says the standard ticket included a WAHCKon 2013 badge, placing the Perth conference in the early Australian hacker-con badge record.
Official pickup-era identity badge
Kiwicon 7's official site documented badge assembly during conference week and tied the event credential to Friday early pickup before the November 9-10, 2013 Wellington conference.
LPC1343 ARM development badge
An open-source H2HC 2013 badge for the 10th Hackers to Hackers Conference in Brazil, built as a USB-enabled ARM Cortex-M3 development board based on the LPC1343 and intended as an experimental next-generation GoodFET platform.
433 MHz mesh-networked South African conference badge
A South African free security-conference badge built around an ATmega328 with Arduino bootloader, Nokia 5110 LCD, 433 MHz AM/OOK transmit and receive modules, LEDs, buttons, and a mesh-style interaction graph.
EMF 2012 radio-enabled badge
The first EMF electronic badge, designed around wireless communication, Arduino-style hacking, and camp game mechanics.
Propeller multicore IR puzzle and development badge
A Ryan Clarke-designed DEF CON 20 electronic badge manufactured by Parallax around the Propeller P8X32A multicore processor, infrared badge-to-badge communication, eight LEDs, USB programming, many physical variants, and a crypto/social badge challenge.
USB-controlled sub-1 GHz RF badge
The ToorCon 14 badge was an open-source sub-1 GHz wireless-transceiver badge from Great Scott Gadgets, controlled over USB from a computer and shipped with atlas's RfCat firmware plus CC Bootloader.
HackRVA MSP430 badge with Nokia LCD and source archive
The RVAsec 2012 badge is documented by HackRVA's public `rvasec-badge-2012` repository, which preserves Eagle board and schematic files, Gerbers, graphics, component datasheets, and release firmware for a badge built around an MSP430-class controller and Nokia 5110 / PCD8544 LCD behavior.
CCCamp 2011 electronic badge
A shiny electronic nametag and full-featured microcontroller development board that established the long-lived CCC Camp badge tradition rad1o later built on.
Nixie-tube hacker conference badge
A source-backed early TROOPERS electronic badge built around a glowing nixie-tube digit, a programming station for badge scores, a Cat-5 LANyard switch, and hidden capacitive-touch and pad-field hack surfaces.
French electronic conference badge
A source-backed French electronic attendee badge from Nuit du Hack 2011, preserved through an attendee report, badge photos, and linked reverse-engineering/programming tutorials.
Titanium non-electronic puzzle badge
A Ryan Clarke / 1o57 DEF CON 19 badge that intentionally stepped away from electronics and used a waterjet-cut commercially pure titanium physical artifact as the event credential, puzzle surface, role marker, and social-interaction prompt.
2.4 GHz RF spectrum-analyzer badge
The ToorCon 13 badge was an open-source 2.4 GHz RF spectrum-analyzer badge from Great Scott Gadgets, with 13 LEDs representing the 13 Wi-Fi channels and public Project Ubertooth hardware and firmware archives under the `tc13badge` code name.
ATmega88 USB-bootloader rabbit badge
A source-backed record for the eHaserl, the Easterhegg 2010 surprise badge from the Munich Chaos Computer Club, with official assembly notes, flashing instructions, errata, and a badge talk.
Lithographed aluminum e-paper-style badge
A DEF CON 18 electronic badge built as polished hackable jewelry: lithographed aluminum, a low-power 128x32 Kent Displays cholesteric display, USB connectivity, role variants, and published badge-making materials.
Bridge-era Dutch camp badge record
A bridge-era Dutch camp badge record for Hacking at Random 2009, kept separate from later open-hardware badge entries until primary badge details are recovered.
Sound-reactive RGB badge with MC56F8006 DSP
A Joe Grand / Grand Idea Studio electronic badge for DEF CON 17, built around a Freescale MC56F8006 16-bit digital signal controller, an amplified MEMS microphone, an RGB LED, wired multi-badge communication, and a static serial bootloader.
Electronic party-invitation badge with published docs and firmware
Ninja Networks' 2009 DEF CON party invitation was an electronic badge built for DEF CON 17, documented by a primary DEF CON forum post plus a technical archive with Creative Commons Attribution schematic/Gerber docs, public-domain badge code, and a BOM.
SD-card infrared file-transfer and TV-B-Gone badge
A DEF CON 16 electronic badge built as a hackable Freescale-based platform with SD-card storage, infrared file transfer, TV-B-Gone behavior, role-color variants, one-button state control, and published source, schematics, and development resources.
CCCamp 2007 active RFID badge
A small active 2.4 GHz RFID badge/tag used with OpenBeacon base stations for real-time camp tracking and post-camp hardware experiments.
95-LED scrolling-text badge with capacitive controls
A Joe Grand / Grand Idea Studio electronic badge for DEF CON 15, built around a Freescale MC9S08QG8, a 5-by-19 matrix of 95 LEDs, capacitive touch controls, customizable vertically scrolling text, persistence-of-vision behavior, and another official badge-hacking contest.
First official DEF CON electronic badge
A Joe Grand-designed skull-shaped PCB badge for DEF CON 14, built around active electronics, open hackable circuitry, two blue LEDs, one button, seven soldermask role variants, and an official badge-hacking contest.
Simple pre-electronic Dutch camp badge
A record for What The Hack 2005's simple camp identity-badge era, before the Dutch camp badge became an expected open-hardware device.
Public-domain photographed pre-electronic identity badge
A DEF CON 13 human badge documented by a public-domain Wikimedia Commons original photo and an official pre-conference DEF CON forum note that the 2005 badges were ready before registration.
Unofficial forum identity badge
A community DEF CON 12 forum badge documented by the official forum thread as a printable avatar/nickname template, intended as an extra badge for forum members rather than the official attendee credential.
Pre-Sputnik Chaos Communication Camp identity artifact
A source-conservative record for CCCamp 2003 as a pre-electronic-badge identity/pass artifact in the camp lineage.
Official archive photographed pre-electronic identity badge
A DEF CON 11 human badge documented by InfoconDB event metadata, the official program PDF, and official DEF CON media-server photos explicitly filed as DEF CON 11 badge images.
Pre-electronic physical badge with corner-hole lore
A DEF CON 10 physical badge artifact documented by InfoconDB event metadata, the official program's note about the badge form factor, and official DEF CON media-server badge images.
Early Dutch camp identity artifact
A conservative historical record for the simple identity-badge era around Hackers At Large 2001, where public badge histories do not describe a hackable electronic PCB badge.
Official-photo documented pre-electronic lanyard badge
A DEF CON 9 physical lanyard badge documented by InfoconDB event metadata and official DEF CON media-server event photos from the Alexis Park conference.
Official-photo documented pre-electronic lanyard credential
A DEF CON 8 physical lanyard credential documented by InfoconDB event metadata, the official DEF CON 8 event page, and official DEF CON media-server event photos from Alexis Park.
Early Chaos Communication Camp identity artifact
A conservative identity-pass record for the first Chaos Communication Camp, before public sources document an official electronic camp badge.
Official-photo documented pre-electronic conference credential
A DEF CON 6 physical access/identity credential documented by InfoconDB event metadata, the official DEF CON 6 event page, and official DEF CON media-server photos from the Plaza Hotel & Casino.
Dutch camp on-site printed photo ID badge
A personalized black-and-white photo badge produced on site at Hacking in Progress 1997 using then-rare digital photography and field printing.
Official-photo documented pre-electronic hanging credential
A DEF CON 5 physical access/identity credential documented by InfoconDB event metadata, the official DEF CON 5 archive page, and official DEF CON media-server event photos from the Aladdin Hotel & Casino.
Official-photo documented pre-electronic chest credential
A DEF CON 4 physical access/identity credential documented by InfoconDB event metadata, the official DEF CON IV archive page, and official DEF CON media-server event photos from the Monte Carlo Resort and Casino.
Official-photo documented pre-electronic waist credential
A DEF CON 3 physical access/identity credential documented by InfoconDB event metadata, the official DEF CON III archive page, and official DEF CON media-server event photos from the Tropicana Resort & Casino.
Official-photo documented pre-electronic chest credential
A DEF CON 2 physical access/identity credential documented by InfoconDB event metadata, the official DEF CON II archive page, and official DEF CON media-server event photos from the Sahara Hotel and Casino.
Hitchhiker-era Dutch camp artifact
A historical identity-badge record for Hacking at the End of the Universe, the 1993 Dutch camp remembered as a formative outdoor hacker gathering.
Official announcement and archive-photo documented pre-electronic name tag
A DEF CON 1 pre-electronic name-tag and paper-badge artifact documented by the official 1993 announcement, the official DEF CON I archive page, and the official DEF CON media-server badge photo.
Dutch hacker-camp origin artifact
A conservative identity-pass record for the Galactic Hacker Party, the 1989 Amsterdam event that WHY2025 history identifies as the start of the Dutch hacker camp lineage.