ZeTeCo 2017 Badge
Swiss camp neck-worn PCB badge
A conservative record for the ZeTeCo 2017 camp badge, seeded from the dedicated media.ccc.de badge talk and the archived camp wiki.
Tag dossier
Switzerland
Badge records tagged with Switzerland, across Switzerland.
Area41 2018 Proteus Badge
ESP8266 WiFi badge running the Proteus firmware ecosystem
A Swiss Area41 2018 conference badge with an ESP8266 WiFi chip, display, web-based name configuration, LCD nickname display, Area41 schedule app, WiFi-scanning behavior, button-order Easter eggs, and public Proteus firmware.
Area41 2026 ESP-Based Electronic Badge
Swiss ESP blinking attendee badge with SAO invitation
A source-backed Area41 2026 attendee electronic-badge record. The official event page said each attendee would receive an ESP-based blinking electronic badge and invited badge owners to bring Shitty Add-Ons (SAOs). The organizer's post-event recap identifies Technische Fachschule Bern as the badge designer and assembler, while the school's own update says it developed and manufactured the hardware; the recap also reports attendees soldered more than 300 SAO badge extensions.