Year
Hacker conference badges documented for 2023, sorted by country.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
Badge.Team challenge and artwork badge
A Badge.Team-documented HackerHotel badge whose public record currently centers on team roles, challenge ownership, and artwork.
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.
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.
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.
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.
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.
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 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.
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.
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.
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.
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.
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.