SHA2017 Badge
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.
Add-on standard
SAO badges
The Shitty Add-On (SAO) is the standardized 1.69bis expansion connector that lets badges host interchangeable add-on boards — LEDs, sensors, displays, and novelties designed by the community. These badges document an SAO connector and the badge-hacking ecosystem around it.
35C3 Labitat Indie Badge
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.
AND!XOR DC26 Badge
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.
BSidesPDX 2018 ATTiny861 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.
DEF CON 26 Badge
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.
Hackaday Supercon 2018 Retrocomputer Badge
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.
AND!XOR DC27 Badge
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.
ARAMCON 2019 Badge
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.
BSidesKC 2019 Conference Badge
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.
BSidesROC 2019 Electronic Badge
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.
Hackaday Supercon 2019 FPGA Badge
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.
HackerHotel 2019 Badge
SHA2017-derived Badge.Team badge
A HackerHotel badge made mostly from leftover SHA2017 parts, adding PSRAM, IR, stereo audio, Grove I2C, and SAO expansion.
BornHack 2020 Badge
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.
HackerHotel 2020 Badge
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.
NoNameCon 2020 Air Quality Badge
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.
BornHack 2021 DIY Badge
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.
DEF CON 29 Badge
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.
LCA2021 SwagBadge
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.
BornHack 2022 Game On
RP2040 CircuitPython gaming badge
A game-controller-shaped BornHack badge built around RP2040, CircuitPython, a color LCD, and expansion connectors.
CrikeyCon 8 Badge
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.
Hackaday Supercon 2022 Voja4 Badge
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.
HiP Berlin 2022 Badge
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.
LCA2022 SwagBadge and Rockling SAO Kit
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.
MCH2022 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.
NorthSec 2022 Badge
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.
BSides Canberra 2023 bPod
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.
BalCCon Cyberdeck 0o27
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.
DEF CON 31 Badge
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.
Hackaday Berlin 2023 Voja4 Badge
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.
NorthSec 2023 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.
TROOPERS23 Badge
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.
CactusCon 12 Badge
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.
Car Hacking Village DC32 Main Badge
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.
HOPE XV Electronic Badge
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.
Hackaday Supercon 2024 SAO Badge
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.
HackerHotel 2024 Telegraph Badge
ESP32-C6 e-paper telegraph puzzle badge
An interactive Victorian-telegraph-themed puzzle badge inspired by the Cooke and Wheatstone telegraph.
NorthSec 2024 Badge
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.
Off-By-One 2024 Hardware Badge
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.
Aerospace Village DC33 ADS-B Badge
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.
BSides CDMX 2025 Badge
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.
BornHack 2025 Circle Badge
LoRa and Meshtastic badge
A circular ESP32-C3 badge focused on LoRa, Meshtastic, WiFi, BLE, RGB LEDs, external antenna use, and expansion connectors.
HackGDL 2025 Minino Badge
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.
Hackaday Europe 2025 SAO Badge
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.
ICS Village DC33 FREE-WILi Badge
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.
Maritime Hacking Village DC33 Differential Destroyer
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.
NilbinSec DC33 Hack 'Em Crack 'Em Robots
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.
NorthSec 2025 Badge
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.
seeess DC33 Tipsy Badge
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.
BSides Ballarat 2026 Underground Badge
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.
BSides Vilnius 2026 Badge
Lithuanian STM32H5 electronic badge with SAO and sensor
An official Lithuanian Security BSides 2026 electronic badge documented by the BSides-Vilnius badge2026 repository as an STM32H563RIT6 board with an SAO connector, an environmental temperature/humidity sensor, an LCD, and USB DFU, built for the June 3-4, 2026 event at Kablys in Vilnius.
CactusCon 14 Badge
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.
DEF CON 34 Badge
Planned electronic Human badge with SAO specs
DEF CON's official preregistration copy guarantees an onsite DEF CON 34 Human badge, an official badge-alert post says DEF CON 34 is an electronic badge year, and the official media server publishes DC34 SAO electrical and mechanical specifications that make the 2026 badge a source-backed planned electronic-badge record.
Add-on hardware
Companion Gear for SAO badges
Headers, extension cables, and I2C adapters for building and testing SAO add-ons. Category-level recommendations, not compatibility guarantees.
Seeed Studio
exact
Replacement Displays
Display modules and related parts for repair and preservation planning.
Why this matches
Open vendor search
This badge has a documented display signal. Matched technical signals: LCD.
Vendor link · selected for technical relevance
SparkFun
exact
SAO Headers
Headers and connector supplies for SAO repair, add-on testing, and preservation.
Why this matches
Open vendor search
This badge has a documented SAO connector. Matched technical signals: SAO.
Vendor link · selected for technical relevance
SparkFun
likely
Display Headers and Connectors
Headers, sockets, and connector supplies for display repair or replacement work.
Why this matches
Open vendor search
Display headers and connectors are useful for repair and preservation planning. Matched technical signals: LCD.
Vendor link · selected for technical relevance
SparkFun
likely
Qwiic / I2C Adapters
I2C adapter supplies for badge add-ons, sensors, and lab documentation.
Why this matches
Open vendor search
SAO workflows often use I2C-compatible add-on testing and bench documentation. Matched technical signals: SAO.
Vendor link · selected for technical relevance
SparkFun
likely
SAO Extension Cables
Extension wiring and jumper supplies for testing or displaying SAO add-ons away from the main badge.
Why this matches
Open vendor search
Extension wiring is useful for testing and displaying SAO add-ons. Matched technical signals: SAO.
Vendor link · selected for technical relevance