Add-on dossier
A linkable lifecycle record for hardware expansions, app ecosystems, firmware upgrades, cases, radio parts, and post-event badge experiments.
Hackaday described the user side as MicroPython-programmed with a plug-in architecture for adding apps.
Badge context
Upstream source for modifiability, front-panel customization, and mechanical-replacement context.
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.
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.
Last pre-event source for Lecco pre-party, workshops, and attendee comment guidance to bring a laptop and USB cables for badge hacking.
Article corroborating May 16-17, 2026 Lecco dates, a fun badge to hack on, and Hackaday Europe's move beyond Berlin.
Official event page for Lecco, Italy dates, Politecnico di Milano campus venue, two-day hardware-hacking framing, and badge-hacking context.
Firmware source for MicroPython, LVGL, LoRa network stack, RF channel notes, app lifecycle, and development workflow.
MIT-licensed official repository PNG reused as the local rights-cleared badge image for the Hackaday Europe 2026 reuse record.
MIT license file for repository software, documentation, and image provenance context.
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.
Official schedule JavaScript source listing the Saturday 22:00 Badge Hacking Ceremony.
Public Hack-a-Day repository for the reused hardware, firmware, user apps, documentation, images, and MIT license file.
Source trail
Public source repository for reused Communicator Badge hardware, firmware, documentation, image assets, app examples, and license file.
Primary firmware source for MicroPython/LVGL architecture, LoRa network-stack behavior, RF channel rules, app APIs, and development workflows.
MIT-licensed repository photo source for the physical front-side Communicator Badge image reused for the Hackaday Europe 2026 record.
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.
Source for final pre-event logistics and public attendee guidance about laptop/USB cable needs for badge play and hacking.
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.
Source for first Lecco event context, May 16-17 dates, and public badge-hacking continuity.
Official source for Lecco, Italy event location, May 16-17, 2026 dates, Politecnico di Milano venue, and badge-hacking framing.
Primary schedule source for the Badge Hacking Ceremony entry.
Post-event local source for the Lecco campus event having taken place; treated as event-context evidence and not as badge-image provenance.