Catalogue
Filter by chip, radio, runtime, camp, or country. Every seeded entry is designed to grow into a sourced dossier.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
CCCamp 2023 music and light badge
A petal-shaped electronic instrument where touch and gestures become sound and light.
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.
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.
RP2040 CircuitPython gaming badge
A game-controller-shaped BornHack badge built around RP2040, CircuitPython, a color LCD, and expansion connectors.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.