Add-on dossier
24-pin e-paper or TFT display socket
A linkable lifecycle record for hardware expansions, app ecosystems, firmware upgrades, cases, radio parts, and post-event badge experiments.
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display hardware option
The organizer-linked design documents a 24-pin J4 socket for e-paper or TFT SPI display modules, with GPIO, reset, busy, data-command, chip-select, clock, and MOSI details.
- Badge
- Onion DAO 2026 Hardware Badge
- Type
- display hardware option
- Status
- public hardware documentation
- Compatibility
- OnionDAO Badge design; the documentation does not establish which display, if any, was fitted to every attendee unit.
- Source
- https://github.com/OnionDAO-git/oniondao-badge/blob/main/docs/HARDWARE.md
hardware and software source repository
Organizer-linked public repository describing the ESP32-S3 badge, KiCad sources, manufacturing outputs, hardware and software source layout, licensing boundary, and community-driven firmware path.
Badge: Onion DAO 2026 Hardware Badge
official event page
Primary organizer source for the June 2026 Chicago Year Two festival, its hardware and cybersecurity context, accepted-attendee hardware-badge statement, soldering-completion wording, high-level ESP32-S3/radio options, and the organizer-controlled GitHub link.
Badge: Onion DAO 2026 Hardware Badge
official firmware guide
Primary guide for the ESP-IDF v5.5.x and Arduino-core source environment, USB serial flashing, automatic reset, manual recovery, and source-tree scope.
Badge: Onion DAO 2026 Hardware Badge
official hardware documentation
Detailed primary hardware documentation for the ESP32-S3 N8R8 module, CH340C, secure element, button matrix, display socket, side ports, power rails, and fabrication outputs.
Badge: Onion DAO 2026 Hardware Badge
official module documentation
Primary documentation for the CC1101 Sub-GHz and sound modules, shared GPIO/mutual-exclusion boundary, supported radio bands, and authoring a new module.
Badge: Onion DAO 2026 Hardware Badge
official source-publisher profile
Organizer-linked GitHub organization profile whose listed public oniondao-badge repository ties the festival site to the technical source trail.
Badge: Onion DAO 2026 Hardware Badge
Onion DAO · retrieved 2026-05-15
Primary organizer source for the June 2026 Chicago builder-festival context, four hardware/AI/cybersecurity/blockchain weeks, accepted-attendee hardware badge, final soldering step, high-level ESP32-S3/radio statements, and official repository link.
Badge: Onion DAO 2026 Hardware Badge
OnionDAO-git · retrieved 2026-05-15
Primary hardware source for the processor/memory, USB and boot path, power rails, I2C devices, display socket, buttons, secure element, expansion ports, and fabrication-output claims.
Badge: Onion DAO 2026 Hardware Badge
OnionDAO-git · retrieved 2026-05-15
Primary project README for the ESP32-S3-WROOM-1-N8R8, board/source layout, display socket, secure element, I2C button expander, side ports, hardware and software licensing language, and community firmware path.
Badge: Onion DAO 2026 Hardware Badge
OnionDAO-git · retrieved 2026-05-15
Primary source for CC1101 and sound-module hardware, shared-GPIO and mutual-exclusion behavior, radio-band boundary, and authorization wording for example use cases.
Badge: Onion DAO 2026 Hardware Badge
OnionDAO-git · retrieved 2026-05-15
Organizer-linked source-publisher profile that lists the public oniondao-badge repository. It corroborates the relationship between the official festival site and the technical source tree, not an individual maker attribution.
Badge: Onion DAO 2026 Hardware Badge
OnionDAO-git · retrieved 2026-05-15
Primary source for ESP-IDF v5.5.x and Arduino-core build guidance, target/memory configuration, UART flashing, automatic reset, and BOOT/RESET recovery. It does not identify a final event firmware image or every attendee's firmware state.
Badge: Onion DAO 2026 Hardware Badge