TiLDA
EMF 2012 radio-enabled badge
The first EMF electronic badge, designed around wireless communication, Arduino-style hacking, and camp game mechanics.
Tag dossier
Arduino
Badge records tagged with Arduino, across Australia, Belgium, Brazil, Dominican Republic, France, Japan, Kenya, Mexico, Puerto Rico, Singapore, Thailand, United Kingdom, United States.
Nuit du Hack 2014 Collector Badge
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.
SAINTCON 2014 Arduino-Compatible 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.
AVTOKYO 2015 Electrical Badge
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.
BSides Canberra 2016 Arduino Running-Order Badge
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.
Fri3d 2016 Badge
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.
LCA2016 ESPlant
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.
AfricaHackOn 2017 Badge
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.
H2HC 2017 Badge
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.
H2HC 2018 Badge
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.
BSides Puerto Rico 2019 DIY Badge
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.
RVAsec 2019 Badge
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.
THOTCON 0xA / Infinity Badge
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.
BugCON 2023 Badge
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.
Fri3d 2024 Badge
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.
HITBSecConf2024 Bangkok Badge Village Device
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.
HackConRD 2024 ATTiny85 Badge
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.
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.
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.