Add-on dossier
A linkable lifecycle record for hardware expansions, app ecosystems, firmware upgrades, cases, radio parts, and post-event badge experiments.
Area41's official participation notice asks attendees who have a Shitty Add-On for a badge to bring it along.
Badge context
Technische Fachschule Bern's public update says it developed and manufactured the hardware for Area41's electronic badges. It does not publish a board, component, firmware, or image-reuse archive.
Official Area41 source for June 18-19, 2026 dates, TheHall Zürich/Stettbach venue, attendee badge pickup in the schedule, the ESP-based blinking electronic badge statement, and the SAO invitation.
The official Area41 organizer recap says the completed event welcomed 600 attendees, identifies Technische Fachschule Bern as the electronic badge's designer and assembler, and reports more than 300 SAO badge extensions soldered by attendees.
Source trail
Official event source for the 2026 dates and venue, the statement that every attendee receives an ESP-based blinking electronic badge, the SAO invitation, and schedule wording that attendees receive their badge at registration.
Maker self-report stating Technische Fachschule Bern developed and manufactured the Area41 electronic-badge hardware. It does not disclose technical specifications, production quantity, or image-reuse terms.
Official organizer post confirming the completed event and identifying Technische Fachschule Bern as the electronic badge's designer and assembler; it also reports attendees soldered more than 300 SAO badge extensions.