Elliot Williams
Author of the Hackaday Europe 2026 CFP, ticket, and final pre-party articles used for the Lecco badge record.
SourceHackaday Europe 2026 · Italy · 2026
Hackaday Europe 2026 Communicator Badge
Lecco reuse of the Supercon 2025 LoRa mesh badge
Hackaday Europe 2026 brought the 2025 Hackaday Supercon Communicator Badge to Lecco: a retro-styled keyboard badge with LoRa mesh experimentation, MicroPython/LVGL app support, and post-event Meshtastic reflash framing.
EventHackaday Europe 2026
SeriesHackaday Europe
LocationPolitecnico di Milano, Campus di Lecco
CountryItaly
Image Provenance
- Asset
- optimized WebP from repository documentation photo
- Status
- licensed original photo
- Source
- images/2025_badge_front_supercon_logo.png
- License
- MIT License
- Attribution
- Hack-a-Day/2025-Communicator_Badge repository contributors
- Notes
- Original 1280x834 PNG front photo downloaded from the official Hack-a-Day/2025-Communicator_Badge repository and preserved in Public/images/source. The published WebP delivery asset is the same upstream repository photo, showing a physical Communicator Badge on a table with the antenna attached, not generated content or a placeholder. The repository LICENSE.txt is MIT. The published badge.gallery delivery file is an optimized WebP generated from the rights-cleared local derivative/source with metadata stripped, WebP quality 82, and a maximum side cap of 1600 pixels when the source is larger; upstream source URL, license, and attribution remain unchanged.
People
Authors & Credits
Hackaday
Hackaday published the 2026 Europe event sources and the reused Communicator Badge repository/source trail.
SourceHack-a-Day/2025-Communicator_Badge contributors
Repository contributors for the hardware, firmware, documentation, and MIT-licensed photo source reused in the Europe 2026 record.
SourceWhy It Mattered
It adds Italy to the Hackaday Europe badge trail and records the first public post-Supercon reuse of the Communicator Badge as a European event artifact, with Hackaday explicitly continuing the mesh-network experiment on different frequencies.
Hardware
The Hackaday Europe CFP names the 2025 Supercon Communicator Badge and describes its retro-styled keyboard, LoRa module, and oblong screen. The upstream Supercon record and repository document the ESP32-S3, SX1262 LoRa radio, custom keyboard, wide LCD, LiPo charging, SAO v2 connector, and public hardware tree.
Software & Apps
Hackaday describes the Europe badge as MicroPython-programmed with a plug-in architecture for user apps, a continuation of the custom LoRa mesh experiment, and a reflash path that can turn the badge into a Meshtastic device after Hackaday Europe.
Lore
The official Europe site describes two days of talks, workshops, and badge hacking at Politecnico di Milano's Lecco campus, while the schedule JavaScript lists a Saturday 22:00 Badge Hacking Ceremony. The final pre-party article's public comment thread records attendee guidance to bring a laptop and USB cables for badge play and hacking, and a Lecco post-event report corroborates the weekend innovation gathering after the event.
Lifecycle
Add-ons & Upgrades
badge-to-badge communication
source-backed
Lecco LoRa mesh experiment
Hackaday said the Europe run would continue the Supercon custom LoRa mesh experiment in Italy on different frequencies and possibly push transmission parameters.
Source
event challenge
historical
Badge Hacking Ceremony
The official schedule data lists a Saturday 22:00 Badge Hacking Ceremony before the Hackaday Europe party.
Source
firmware workflow
source-backed
MicroPython plug-in app architecture
Hackaday described the user side as MicroPython-programmed with a plug-in architecture for adding apps.
Source
mechanical customization
source-backed
Front-panel customization path
Hackaday's customization article frames the badge as built to be modified with replaceable front-panel mechanical files.
Source
post-event firmware
announced
Meshtastic reflash path
The Europe CFP says attendees could reflash the badge after Hackaday Europe and use it as a Meshtastic device.
Source
software examples
archived
User app examples
The upstream repository preserves user-app examples and firmware docs for writing MicroPython applications on the Communicator Badge platform.
SourceOperational history
Issues & Camp Impact
RF frequency caveat
note
Hackaday said the Italy experiment would use different frequencies and maybe push transmission parameters compared with Supercon.
The record should not imply identical RF operating conditions, channel plans, or range behavior between Pasadena and Lecco.
- Confidence
- primary-source backed
- Status
- documented
- Timeframe
- Hackaday Europe 2026
- Source note
- Hackaday Europe 2026 CFP article.
firmware variant caveat
note
The public sources describe Europe use, MicroPython apps, LoRa experimentation, and Meshtastic reflash framing, but this pass did not recover a distinct Lecco-specific firmware release archive.
Software claims stay tied to the public Europe articles and upstream Communicator Badge firmware repository rather than a separate Europe firmware tag.
- Confidence
- current public source trail
- Status
- needs deeper archive recovery
- Timeframe
- current catalogue build
- Source note
- Hackaday Europe 2026 CFP article and 2025 Communicator Badge firmware README.
image provenance reuse
note
The published image is the MIT-licensed upstream Communicator Badge repository front photo, duplicated under a Hackaday Europe 2026 delivery filename for the reuse record.
The image proves the physical badge platform, not a separate Lecco documentary field photo; any event-floor photo should be added only with its own source URL, license, attribution, and processing notes.
- Confidence
- repository license and local source mapping
- Status
- documented
- Timeframe
- current catalogue build
- Source note
- Hack-a-Day/2025-Communicator_Badge image and LICENSE.txt.
post-event media rights boundary
note
The LeccoOnline post-event report strengthens the event-context source trail but does not provide a reusable badge image license, attribution basis, and processing provenance for catalogue publication.
The record keeps the already-cleared MIT repository badge photo and does not copy post-event article media as an event-floor replacement.
- Confidence
- local image policy and post-event source review
- Status
- documented without local image reuse
- Timeframe
- May 2026 post-event review
- Source note
- LeccoOnline post-event report and badge.gallery image policy.
reuse lineage caveat
note
The Lecco record is a European reuse of the 2025 Hackaday Supercon Communicator Badge rather than a newly designed Italy-only board.
The compendium keeps separate United States and Italy event records while preserving the shared hardware and firmware lineage.
- Confidence
- primary-source backed
- Status
- documented
- Timeframe
- Hackaday Europe 2026
- Source note
- Hackaday Europe 2026 CFP article and Hack-a-Day/2025-Communicator_Badge repository.
Resources
2025 Communicator Badge customization article
article · Upstream source for modifiability, front-panel customization, and mechanical-replacement context.
2025 Communicator Badge firmware README
firmware docs · Firmware source for MicroPython, LVGL, LoRa network stack, RF channel notes, app lifecycle, and development workflow.
2025 Communicator Badge front photo
image source · MIT-licensed official repository PNG reused as the local rights-cleared badge image for the Hackaday Europe 2026 reuse record.
2025 Communicator Badge repository
source · Public Hack-a-Day repository for the reused hardware, firmware, user apps, documentation, images, and MIT license file.
2025 Communicator Badge repository license
license · MIT license file for repository software, documentation, and image provenance context.
2025 Communicator Badge reveal
article · Upstream reveal source for Communicator Badge name, LoRa mesh-chat concept, ESP32-S3, keyboard, LCD, SX1262 radio, LiPo charging, LVGL MicroPython, team credits, and after-event hacking intent.
Hackaday Europe 2026 CFP and badge announcement
article · Primary article naming the 2025 Hackaday Supercon Communicator Badge as the badge being brought to Europe and describing LoRa, MicroPython, plug-in apps, Meshtastic, Lecco, and Politecnico Milano context.
Hackaday Europe 2026 Lecco post-event report
post-event report · Local LeccoOnline post-event report corroborating that Hackaday Europe 2026 ran at the Politecnico di Milano Lecco campus as an international innovation and collaboration weekend.
Hackaday Europe 2026 event page
event page · Official event page for Lecco, Italy dates, Politecnico di Milano campus venue, two-day hardware-hacking framing, and badge-hacking context.
Hackaday Europe 2026 final pre-party update
article · Last pre-event source for Lecco pre-party, workshops, and attendee comment guidance to bring a laptop and USB cables for badge hacking.
Hackaday Europe 2026 schedule data
schedule source · Official schedule JavaScript source listing the Saturday 22:00 Badge Hacking Ceremony.
Hackaday Europe 2026 ticket update
article · Article corroborating May 16-17, 2026 Lecco dates, a fun badge to hack on, and Hackaday Europe's move beyond Berlin.
Sources
GitHub: Hack-a-Day/2025-Communicator_Badge
Retrieved 2026-05-15 · Public source repository for reused Communicator Badge hardware, firmware, documentation, image assets, app examples, and license file.
Hack-a-Day / GitHub: 2025 Communicator Badge firmware README
Retrieved 2026-05-15 · Primary firmware source for MicroPython/LVGL architecture, LoRa network-stack behavior, RF channel rules, app APIs, and development workflows.
Hack-a-Day / GitHub: 2025_badge_front_supercon_logo.png
Retrieved 2026-05-15 · MIT-licensed repository photo source for the physical front-side Communicator Badge image reused for the Hackaday Europe 2026 record.
Hackaday: 2026 Hackaday Europe Call For Participation: We Want You!
Retrieved 2026-05-15 · Primary source for bringing the 2025 Hackaday Supercon Communicator Badge to Europe, LoRa mesh, different Italy frequencies, MicroPython plug-in apps, and Meshtastic reflash framing.
Hackaday: Hackaday Europe Tickets On Sale Now, CFP Extended
Retrieved 2026-05-15 · Source for first Lecco event context, May 16-17 dates, and public badge-hacking continuity.
Hackaday: 2026 Hackaday Europe: Pre-party, More Workshops, And Everything Else
Retrieved 2026-05-15 · Source for final pre-event logistics and public attendee guidance about laptop/USB cable needs for badge play and hacking.
Hackaday: Announcing the 2025 Hackaday Superconference Communicator Badge
Retrieved 2026-05-15 · Upstream reveal source for LoRa mesh chat, ESP32-S3, memory, LCD, custom keyboard, SX1262 radio, LiPo charging, LVGL MicroPython, sponsor and contributor context, and post-event reuse goals.
Hackaday.io: Hackaday Europe 2026
Retrieved 2026-05-15 · Official source for Lecco, Italy event location, May 16-17, 2026 dates, Politecnico di Milano venue, and badge-hacking framing.
Hackaday.io: Hackaday Europe 2026 schedule data
Retrieved 2026-05-15 · Primary schedule source for the Badge Hacking Ceremony entry.
LeccoOnline: Hackaday Europe 2026, al Politecnico un weekend di innovazione, tecnologia e collaborazione internazionale
Retrieved 2026-05-15 · Post-event local source for the Lecco campus event having taken place; treated as event-context evidence and not as badge-image provenance.