Tag dossier
Badge records tagged with LEDs, across Germany, Sweden, United Kingdom, United States.
HackRVA electronic badge with LEDs, IR, audio, and USB
The RVAsec 2013 badge was a HackRVA-built electronic conference badge documented by official RVAsec and HackRVA sources, with LEDs, infrared badge-to-badge play, a piezo speaker, USB support, and badge-game behavior tied to conference interaction.
EMW2013 LED and IR badge
A small Electromagnetic Wave badge with ATTiny44A, 20 location LEDs, IR receiver/transmitter, unique-ID beacon behavior, coin-cell power, and a ship-wide treasure hunt.
PIC32 badge with LCD, IR, capacitive sliders, and public firmware
The RVAs3c 2014 badge was a redesigned HackRVA electronic badge whose official preview and public firmware source document a PIC32-based platform with LCD, infrared, capacitive sliders, LEDs, speaker, micro USB, and game/application code.
Battery-powered WiFi signal-strength badge
The ShmooCon XIV badge is preserved here as a battery-powered WiFi signal-strength meter from the 2018 Washington, DC conference, with corroborating public notes for an ESP8266 core, serially addressable LEDs, and an injection-molded rocket enclosure.
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.
CCCamp 2023 music and light badge
A petal-shaped electronic instrument where touch and gestures become sound and light.
First AvengerCon electronic scavenger-hunt badge
The AvengerCon VIII 8-8-8 badge was the conference's first electronic badge, documented by U.S. Army public-affairs coverage as a scavenger-hunt badge where attendees collected codes to light LEDs or hacked the badge to bypass the contest.
Music-and-airship CTF building badge
A Security Fest 2024 badge shaped around Gothenburg's Feskekôrka fish-market landmark, with piano/touch-key gameplay, an airship story CTF, LEDs, USB-C serial interaction, and documented attendee/speaker/crew variants.
Four-button, four-LED challenge badge
Bug Bounty Village's BBV Badge 2025 was a DEF CON 33 village challenge badge with four buttons, four corresponding LEDs, and a reward path for attendees who lit all four LEDs.