Tag dossier
Badge records tagged with Germany, across Germany.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
Open-hardware ESP32-S3 / TROPIC01 assembly badge and devboard
The Critical Decentralization Cluster's CDC Badge was presented as an electronic conference badge and development board at the completed 39th Chaos Communication Congress. The source-backed open-hardware platform combines an ESP32-S3, TROPIC01 secure element, front-lit e-paper display, twelve-button keypad, LiPo power path, and expansion ports, while public sources do not establish a conference-wide or admission-badge allocation.
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.
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.
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.
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.
ESP32-C5 V2X badge with 802.11p sniffer and OCPP EVSE mode
A ScapyCon 2026 conference badge documented through public firmware and flash-kit archives: the badge is built around an ESP32-C5-WROOM-1-N4 module, is themed around V2X and IEEE 802.11p in the 5.9 GHz ITS band, and runs a badge UI, 802.11p sniffer, conference schedule, USB host link, and a Pocket EVSE OCPP charge-point simulator mode.