Add-on dossier
A linkable lifecycle record for hardware expansions, app ecosystems, firmware upgrades, cases, radio parts, and post-event badge experiments.
The badge emulates magnetic stripe cards over USB serial and includes a solo Simon Says memory game triggered by holding button 4.
Badge context
Official REcon source for the June 19-21, 2026 conference with training June 15-18 at the Hilton Double Tree Montreal, Canada.
Official sponsors page naming Electronic Cats as the electronic badge sponsor for REcon 2026.
Tagged release with pre-built firmware and release notes documenting the LoRa radar, chat, and flags, NFC flag-hunt, magspoof, Simon, USB CLI, hidden reversing challenge, and Konami-code easter egg.
Electronic Cats repository for the REcon 2026 badge, with full KiCad hardware design under CERN-OHL-1.2 and firmware under AGPL-3.0, documenting the CH32V203 primary, RP2040 daughterboard, SX1262 LoRa, PN7150 NFC, SSD1306 OLED, and challenge surface.
Source trail
Primary repository source for the CH32V203 primary and RP2040 daughterboard hardware, SX1262 915 MHz LoRa, PN7150 NFC, SSD1306 OLED, four buttons, USB-C, full KiCad project, and the AGPL-3.0 firmware with CERN-OHL-1.2 hardware.
Primary source for the LoRa radar, chat, and flags, NFC flag-hunt, magspoof, Simon Says, USB RECON2026 CLI, hidden reversing challenge, and Konami-code easter egg.
Primary official source for the June 19-21, 2026 Montreal reverse-engineering conference and Hilton Double Tree Montreal venue.
Primary official source naming Electronic Cats as the electronic badge sponsor.