Tag dossier
Badge records tagged with Open Hardware, across Argentina, Belgium, Brazil, Croatia, France, Germany, Ireland, Italy, Mexico, Portugal, Serbia, Sweden, United Kingdom, United States.
LPC1343 ARM development badge
An open-source H2HC 2013 badge for the 10th Hackers to Hackers Conference in Brazil, built as a USB-enabled ARM Cortex-M3 development board based on the LPC1343 and intended as an experimental next-generation GoodFET platform.
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.
PIC badge with LED matrix, IR, and open firmware
A slim open-hardware conference badge designed around a red 8x16 LED matrix, PIC18LF25K50, IR send/receive, USB bootloader, tactile controls, and attendee-written demos.
JavaScript hackable BLE badge
An open-source hackable JavaScript badge for NodeConf EU 2017 in Kilkenny, built by NearForm around Gordon Williams' Espruino/Puck.js lineage with BLE, LCD, NFC, buttons, CR2032 power, attendee-name programming, code examples, and challenge behavior.
Pixl.js JavaScript badge with RGB, sensors, and expansion headers
An Apache-2.0 archived NearForm badge for NodeConf EU 2018 in Kilkenny, based on Pixl.js and Espruino with LCD, Bluetooth programming, RGB lighting, vibration motors, light, accelerometer and magnetometer APIs, extension headers, apps, patterns, and attendee name tooling.
USB HID and serial puzzle badge
A simple Security Fest 2018 challenge badge with USB-A, two buttons, four DIP switches, red/green LEDs, HID text output, serial puzzle flow, and an open SecBadge hardware repository.
ESP32 39x9 LED-matrix badge for Pixels Camp
A Portugal source-backed ESP32 PCB badge for Pixels Camp 2019 with a 39x9 RGB LED matrix, IS31FL3741 LED driver, CH340G USB serial, USB/LiPo power, and public schematic/PCB design files.
RP2040 audio, microphone, LEDs, and EdgeImpulse badge
BugCON 2022's Electronic Cats badge repository documents an RP2040 electronic badge for BugCON 2022 CDMX with USB serial access, LEDs, microphone, buzzer or speaker, a small machine-learning trail through EdgeImpulse, Arduino Mbed programming notes, KiCad hardware files, and Blink/AudioWAV firmware examples.
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.
WiFi room-sensor name badge
A WiFi badge for Open Source Hardware Camp 2023, designed as a name badge, solder-paste workshop board, USB-UART adapter, qwiic/STEMMA QT sensor host, and post-event Tasmota room sensor.
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.
Official Electronic Cats ESP32-C6 community and VIP badge
BugCON 2024's official Electronic Cats badge was an open-hardware ESP32-C6 badge line with community and VIP variants, USB serial workflow, displays, LEDs, battery power, firmware directories, KiCad hardware trees, and CERN-OHL hardware licensing.
E-paper IR social-quest badge
The first electronic DORS/CLUC conference badge, with a 2.66 inch monochrome e-paper display, badge-to-badge IR discovery, twelve special-badge unlocks, light-sensor web configuration, blue LED patterns, open KiCad and firmware files, and OSHWA certification.
ESP32-C6 LoRa badge
The official Ekoparty 2024 electronic badge documented by Electronic Cats with ESP32-C6 control, RFM95 LoRa radio, OLED display, NeoPixels, USB, buzzer, KiCad hardware files, firmware sources, Badge Connect behavior, and a community Meshtastic variant trail.
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.
PY32F030 OLED and NeoPixel badge with role variants and Metro add-on
BSides CDMX 2025's Electronic Cats repository documents a Security BSides CDMX badge built around a Puya PY32F030F28U6TR, NeoPixels, OLED display, two AAA battery holder, Shitty Addon connector, role-specific KiCad hardware variants, a Metro add-on, public firmware, release HEX files, and BOM assets.
Transparent PET flex-PCB cube conference badge
A completed Italian End Summer Camp {21} electronic badge whose organizer-owned badge-2025 repository explicitly calls it a flex-PCB badge distributed at ESC{21}. The public archive includes KiCad hardware, Gerbers, a BOM, placement data, folding material, a case directory, and firmware material; an author retrospective and first-person maker project document a transparent PET board folded into a cube. Public sources do not establish a recipient total, final unit-by-unit configuration, safety certification, a unified final firmware release, or reusable image provenance.
RV1106 Linux badge with add-on and embedded-Linux hacking path
BugCON 2025's Electronic Cats badge repository documents an open-hardware RV1106G3 Linux badge with ARM Cortex-A7, RISC-V MCU, NPU, ISP, GPIO, MIPI CSI, UART, SPI, I2C, USB hub, Ethernet path, WS2812E NeoPixels, 18650 battery support, Python scripting, and a PY32F002 add-on board.
Open-source pre-event 125-unit Meshtastic Simple Add-On for DEF CON 34
Darknet-NG's own current badge page identifies the Darknet-NG SMAO as its Level 3 build: a full Meshtastic node in an SAO form factor. The maker's live Uberflux product payload describes a $55 125-unit presale and currently reports 125 sold with zero remaining, no shipping options, and DEF CON 34 contest-booth pickup only; that is a time-specific availability snapshot, not proof of completed manufacture, collection, or delivery. A matching maker-owned, commit-pinned `dcbokonon/darknet-smao` release now publishes the v1.4 KiCad project, fabrication outputs, BOM/placement data, firmware build material, and RF-tuning source, alongside an MIT-licensed official upstream board render. This is a source-backed independent pre-event mesh-radio add-on record, not independent RF/compliance validation, a DEF CON organizer-issued product, conference credential, admission right, or completed fulfillment record.
Completed-camp ESP32-S3 maker badge with open Revision 02 hardware
A source-backed record for Fri3d Camp 2026's main badge. The organizer's public Revision 02 hardware, firmware, and documentation repositories describe an open ESP32-S3 platform with extensions, apps, and repair paths; the organizer's event index now lists the August camp among past events. Neither source establishes individual handout, production, or final deployed-image outcomes.
Planned open-hardware CH32V003 light-up Simple Add-On for DEF CON 34
The maker-owned public `keeloi79/not-a-crosswalk-sao` repository explicitly calls Not Just a Crosswalk a Simple Add-On (SAO) project for DEF CON 34. Its README documents a CH32V003 F4P6 RISC-V controller, eighteen side-emitting addressable LEDs, persistent palette/effect settings, two controls, 3.3 V host-badge power stepped to 5 V or a USB-C 5 V input path, and claimed SAO V1.69bis/V2.0 compatibility. The source tree includes documentation, schematics, firmware, build instructions, and a three-part license declaration: CERN-OHL-S v2 hardware, GPLv3 firmware, and CC BY-SA 4.0 documentation/creative works. This is a source-backed planned independent DEF CON 34 add-on, not evidence of a final manufactured run, price, sales channel, quantity, pickup, recipient, host-badge test matrix, electrical-safety validation, official DEF CON affiliation, admission right, or rights-cleared badge image.
Official open-hardware headless ESP32-C5 wireless-security badge with public KiCad and C5 firmware sources
Electronic Cats' public badge-pwnterrey-2026 repository describes itself as the official Pwnterrey 2026 badge and publishes a native KiCad hardware project plus a CERN Open Hardware Licence v1.2 file. Pwnterrey's official site places the free cybersecurity conference in Monterrey on May 29, 2026; Bishop Fox separately corroborates the date and Rincón Tostitos By Jardín 85 venue. The source documents a portable headless ESP32-C5 RISC-V badge with USB-C serial context, NFC tag-emulation circuitry, and GPS material. Electronic Cats' companion repository calls itself official Pwnterrey 2026 firmware and preserves an ESP32-C5 Marauder-derived source and build trail. These sources establish a real official event badge and public design and firmware references, but not a production quantity, registration-tier allocation, final assembled configuration, completed recipient handoff, final signed release, safe operational use, or reusable badge-image right.
SemiTO-V Developer Zone RP2350/GW1N-9 electronic badge project
SemiTO-V's RISC-V FPGA Badge was a limited Developer Zone electronic PCB badge project for RISC-V Summit Europe 2026 in Bologna. Primary team sources name an RP2350 MCU, a GOWIN GW1N-9 FPGA, custom firmware, and a default RV32I core; they say NextPCB produced the boards and planned to bring 25 to the developer workshop. A logistics update then delayed intended June 8 distribution. The source record supports real physical boards and a 2026 event association, not a final unit count, completed recipient delivery, or the precise current post-event design revision.
Electronic Cats ESP32-C6 badge source with public KiCad hardware and firmware archives
Electronic Cats' public Badge_Tropicon-2026 repository describes its project as the official TROPICON 2026 badge and publishes native KiCad design material. Its commit-pinned hardware README identifies an ESP32-C6, a 2.79-inch 142×428 colour IPS display using an NV3007, LoRa hardware, and an AHT30 sensor. A companion Electronic Cats firmware archive documents software for the TROPICON badge and is marked GPL-3.0 by GitHub. The official TROPICON site establishes the completed April 17-18 Cozumel event, but does not itself link or independently confirm the technical archives, allocation, credential role, final production configuration, recipient handoff, or reusable-image rights.
Open ESP32-S3 capacitive light-up workshop badge
leHACK's official 2026 workshop schedule and the French National Cybersecurity Agency's leHACK listing present Badge Hackropole as a novice-accessible workshop in which participants assemble a capacitive light-up badge, solder a microcontroller and eight SMD LEDs, and program preconfigured WLED firmware. FCSC-FR's public hackropole-badge repository supplies the PCB source, assembly instructions, firmware binaries/configuration, and per-file licensing. The programme lists ten 55-minute workshop sessions across June 26-27, but the source trail does not prove final attendance, completed builds, or a conference-wide handout.