Sputnik / OpenBeacon
CCCamp 2007 active RFID badge
A small active 2.4 GHz RFID badge/tag used with OpenBeacon base stations for real-time camp tracking and post-camp hardware experiments.
Tag dossier
nRF24L01
Badge records tagged with nRF24L01, across Germany, United States.
La Villa Hacker 2025 Badge
Electronic Cats OLED and nRF24L01 village badge
Electronic Cats' public La Villa Hacker 2025 Badge repository documents a village badge with OLED display, nRF24L01 radio, two-AAA power, Shitty Addon connector, KiCad hardware files, firmware sources, and a released VillaHacker.hex binary.