THOTCON 0xD Badge
Project-owner source for Fourfold's badge design/production role, 2,000-unit quantity, ESP32/ST7789/touch-wheel hardware, firmware feature surface, add-on header, production/test fixtures, and repository handoff.
Evidence index
Sources
Primary docs, public wikis, repositories, talks, press writeups, and first-hand notes used to support badge pages.
2806 matching source(s)
Remoticon 2 badge
Primary project source for Remoticon.2 badge naming, Thomas Flummer attribution, KiCad design, 0.1 inch pad-grid space, files, project logs, and OSH Park-linked fabrication paths.
Remoticon 2 badge files
File-listing source for KiCad PCB, artwork archive, MicroMod carrier source zip, Gerber zips, and paste/stencil package.
BADGE FOR SUPERCON.6 / November 2022
Primary technical source for 272 LEDs, 31 instructions, speed control, program/data memory, stack, bootloader, 4-bit IO, two-AA power, SAO serial I/O, and owner support notes.
DC25 Badge Post Mortem
Primary retrospective source for BMD-300/nRF52 choice, display, WS2812B LEDs, production quantities, regulator substitution, S132 firmware base, activation, games, app, and source-release caveats.
DC26 Retrospective
Primary retrospective source for ESP32-WROVER migration, display and SD-card details, IS31FL3736 LED architecture, CP2102N USB serial, power decisions, add-ons, B.E.N.D.E.R. challenge results, and production lessons.
Production
Primary production source for Macrofab triage, serial, LED, capacitive-touch and flashing failures, BMD-340 soldering diagnosis, and manual rework.
All at once
Development-log source for PCB arrival, component reuse, reverse protection, level-shifting and capacitance debugging, daisy-chain testing, Wi-Fi control from a PC, and planned firmware-update station.
Building badges
Production-log source for kit preparation, speaker and staff badge builds, LED badge pick-and-place assembly, chainable boards, and late May 2015 build status.
How are the goals going?
Development-log source for feature status, CAN logger and ECU reflashing experiments, HID/CDC output, NES emulator memory access over CAN, and explicit prototype-versus-final caveats.
LayerOne 2015 Badge
Primary badge-team project source for the two-badge plan: PSoC4/ESP8266/WS2812B blinky badge plus VoCore/OpenWRT RT5350F Wi-Fi and Ethernet badge.
LayerOne 2015 Badge details
Technical project source for PSoC LED routines, UDP RGB drive path, CR123A power behavior, daisy-chain tests, VoCore/OpenWRT configuration, LuCI, USB storage, sysupgrade, and administration workflows.
LayerOne 2016 Conference Badge
Primary badge-team source for the PSoC4, 5x4 WS2812B LED array, mini breakout area, 3.3 V and battery rails, broken-out PSoC4 I/O, ESP8266 Wi-Fi bridge, and charliex/mmca team listing.
LayerOne 2017
Primary badge-team project source for LayerOne 2017 badge framing, car-hacking focus, project authorship, visible media boundary, and development-log trail.
LayerOne 2017 details
Technical project source for the STM32F4 badge architecture, TFT, SD card, twin CAN, USB, audio, battery, controls, PC CAN tooling, J2534 work, and ST-Link/SWD programming notes.
WiFi, pick and placing
Production-log source for CR123A parts, diode validation, Wi-Fi mode, stencil-holder and pick-and-place work, eight hand-built badges, and ESP8266 supply pressure.
Blinky Ball SAO for Layer One
Project-owner hardware log source for the official blinking LayerOne logo add-on and the 2018 badge add-on connector pinout.
Hackbat Badge
Project-owner source describing the Hackbat Badge as designed specially for DEFCON32 and warning DEF CON recipients about the D9 diode placement issue.
Badge Manual V1R0
Manual source for the 2016 Pasadena badge hardware, operation, USB bootloader, and attendee hacking workflow.
Hacker Couture DEFCON 33 Product List
Primary vendor-list source for a Gunslinger-B-Gone Badge by BigTaro on the DEF CON 33 product list, $140 vendor price, Sheriff-laser-tag/light-up claim, IR TV power-down claim, CTF/bling, Drinking Roulette, and fully-programmable wording. It does not prove a BadgeLife drop, completed sale, attendance, delivery, technical design, official DEF CON issuance, or image rights.
Hacker Couture DEFCON 33 Product List
Primary later vendor-list source that repeats a $100 Dante's Inferno Badge and its three-board, two-color-solder-mask, sixty-LED, CR123A, and one-SAO-port claims in a DEF CON 33 context. It does not prove a separate artifact, DefCon 32 origin, event issuance, scheduled drop, completed sale, or image rights.
Hacker Couture DEFCON 33 Product List
Primary vendor-list source for a $125 Masonic33 Badge in a DEF CON 33 product context and its high-level analog-input/hidden-LED, themed-package, and merchandise wording. It does not prove a BadgeLife drop, hardware details beyond the list, completed sale, official DEF CON issuance, or image rights.
Tipsy Badge
Current seller page for the same SKU SS-TB. It is marked InStock and shows a USD 75 sale price from a USD 100 list price during this source pass; it repeats the high-level RP2040, TFT, SAO, USB mass-storage, and electrode description but does not identify a separate 2026 board or revision. Product imagery is cited as evidence only because this page does not state a reusable image license or explicit permission basis.
HackerHotel
Official event site giving February 19-21, 2027 and Hotel Zuiderduin, Zeeweg 52, Egmond aan Zee as the 2027 dates and venue, with room-based ticket prices. It does not mention the badge.
HTH 2026: Spaceballs - The Hacker Conference
Primary official 2026 edition page linked by the HTH homepage, establishing the titled HTH 2026 Spaceballs event context.
Hackers Teaching Hackers
Primary organizer-controlled source establishing HTH as an annual information-security practitioner conference for hackers, defenders, makers, breakers, tinkerers, and hobbyists with villages and CTF challenges, plus BrewDog DogTap in Canal Winchester venue context.
Hackers Teaching Hackers official LinkedIn updates
Primary organizer update source for the June 3-5, 2026 Columbus event dates, Spaceballs theme, villages/CTF context, and public post-event acknowledgement that the 2026 conference occurred.
Hackers Teaching Hackers GitHub organization
Primary organizer-owned historical source listing HTH badge projects and the official 2025 fork relationship relevant to the 2026 source-publisher provenance check.
Null Hardware Badge 101 (Desi Jugaad)
Talk-archive source for the 2014 date, Nullcon conference, presenters, presentation material, video link, tags, and abstract.
BSides Adelaide Wombat-2 CTF Badge
Primary badge page source for the second conference badge, standalone CTF controls, binary input, LED unlocks, reset behavior, and mystery code.
The BSides Adelaide Wombat Badge
Primary badge page source for the full-colour UV-printed CTF badge made for BSides Adelaide and linked soldering/CTF material.
The Security Fest Piano CTF Badge
Primary source for serial monitor settings, speaker solder points, and CTF LED/solder instructions.
Wombat-2 BadgeCTF
Primary challenge source preserving the 2025 badge puzzle prompts, error codes, and blueprint link.
The BSides Adelaide Wombat Badge Soldering Tutorial
Primary build-guide source for pre-soldered components, 1206 SMD LED soldering, LED polarity, CR2032 use, and micro-USB power warning.
Hackfest 2019 Schedule
Official schedule source for Hackfest 11, badge pickup on October 31, November 1, and November 2, CTF registration and CTF room timing, villages, workshops, party, and closing.
Hackfest CTF 2019
Official CTF source for the 2019 challenge category mix, including Electronic, while leaving firmware, schematic, and badge challenge implementation details unrecovered.
Hackfest History
Primary official source for Hackfest's 2019 CTF electronic-badge introduction, immediate participant reception, record 1600-person Plaza edition, and later pandemic-era continuity context.
Hackbadge
Primary maker project page, dated January 24, 2026, that identifies the deployed electronic PCB badge as created for Greycademy 2026.
Hacking in Parallel 2022 //// Berlin
Primary event source for dates, venue, Berlin location, organizing communities, ticketing, and workshop-stage infrastructure.
Get started with hacking the badge
Primary badge-use source for the lanyard device, laptop/USB development workflow, and badge-hacking workshop at HiP.
100 Jahre Hackover
Primary source for Hackover 2013 ticket contents, including the assembled badge PCB.
Die Badge-Entwicklung schreitet voran
Primary source for the 2013 badge feature list: ARM processor, 2.4 GHz radio, LCD, USB, and buttons.
Badge-Firmware
Archive source for firmware and schematic clone URLs and post-event hacker documentation caveat.
Writeups CTF Hardware Hacking h-c0n 2026
Post-event source saying Hackplayers' sixth edition realized its electronic badge dream thanks to David Reguera / @therealdreg with help from Adria Perez Montoro / @b1n4ri0 and Antonio Vazquez Blanco / @antoniovazquezblanco; it also summarizes the repository, firmware-analysis tooling, debugging interfaces, dynamic-analysis material, and winner write-up themes.
CTF BADge #hc0n2026
Primary badge-specific source for the electronic badge wording, fully functional development-board description, sixth-edition framing, Dreg credit, February 6 pickup/CTF start, February 13 CTF end, wait-list, and 10 EUR extra-unit note.
Localizacion - edicion 2026
Official source for the Madrid venue context, including Centro Cultural Sanchinarro and Exe Madrid Norte locations used in the 2026 event trail.
agenda
Official agenda source for February 5-7, 2026 scheduling across workshops and talks, including Centro Cultural Sanchinarro talk days.
h-c0n home
Primary official source for the 5-7 February 2026 h-c0n event dates, Hackplayers conference framing, and current event navigation.
DerbyCon Legacy Black Badge
Primary first-hand source proving the DerbyCon Legacy Black Badge artifact, black-badge lifetime-ticket framing, Ben Hibben and Charles Lehman maker context, BOM, fabrication steps, and compiled firmware artifact.
A Hackable BLE DEFCON 25 Indie Badge
Secondary technical source corroborating the BLE indie-badge framing and Hackaday.io project evidence.