Tag dossier
Badge records tagged with I2C, across Australia, Germany, United Kingdom, United States.
NodeMCU-based electronic badge and hardware-interface tool
The BUSSide was the BSides Canberra 2018 electronic badge, issued to 2,000 delegates and documented through official BUSSide pages, CSides talk notes, GitHub Pages documentation, and a public source repository.
ESP32 MicroPython badge with 8x32 LED matrix and twelve minibadge spots
The SAINTCON 2018 ESP32 Badge was an electronic conference badge built around a LOLIN D32 / ESP32 module running MicroPython, an 8x32 LED matrix, three buttons, a rechargeable battery, Wi-Fi configuration behavior, Hacker Challenge score display, and twelve minibadge spots.
ATtiny2313 Blade Runner badge with ESP32CAM add-on path
LayerOne 2019's electronic badge used a Blade Runner / Voight-Kampff theme around a small ATtiny2313 LED-and-button badge, with Hackaday documenting optional add-on boards including an ESP32CAM eye/face-recognition module for the badge's test-of-humanity behavior.
Official and unofficial MiniBadges documented by the archived 2021 SAINTCON page
SAINTCON 2021 is represented here by its archived MiniBadge collection page, which documents in-person registration/status MiniBadges, community and challenge MiniBadges, soldering and puzzle badges, sponsor or booth-distributed badges, and a separate unofficial badge section.
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.
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.
Official and submitted MiniBadges documented by the 2024 trading build-guide trail
SAINTCON's 2024 MiniBadge Trading page documents an official trading area and a public build-guide link covering submitted MiniBadges that attendees designed and brought to the conference, including official MiniBadges.
Electronic Cats OLED and RF-detector badge
The 44CON 2025 badge is a public Electronic Cats hardware and firmware project that can run with a CH32-style shield for an OLED mini-game or with an ESP32 Wemos D1 module plus optional buzzer, MT3608 boost converter, AD8317 RF detector, and add-on board.
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.
Planned electronic Human badge with SAO specs
DEF CON's official preregistration copy guarantees an onsite DEF CON 34 Human badge, and the official media server publishes DC34 SAO electrical and mechanical specifications that make the 2026 badge a source-backed planned electronic-badge record.