Tag dossier
Badge records tagged with Bluetooth LE, across Ireland, Taiwan, United States.
nRF52832 BLE OLED wagon-game badge
The DC503 Wagon Party badge is a source-backed party badge documented by the no-visible-license `pdxbadgers/wagonparty` repository, whose README calls the target a badge and whose firmware advertises a `503WAGON` BLE device with OLED game modes.
MediaTek electronic badge with Wi-Fi, BLE, IR, joystick, and LED display
HITCON CMT 2017's official event page documents the HITCON Badge Challenges activity and an electronic badge powered by a MediaTek chipset, with Wi-Fi, Bluetooth LE, game-controller/joystick, infrared, and LED display features. The official ticketing page ties the limited deluxe electronic badge to the Premium Pass, and the events page says additional badges would be released for conference-day purchase.
JavaScript hackable BLE badge
An open-source hackable JavaScript badge for NodeConf EU 2017 in Kilkenny, built by NearForm around Gordon Williams' Espruino/Puck.js lineage with BLE, LCD, NFC, buttons, CR2032 power, attendee-name programming, code examples, and challenge behavior.
Bluetooth LE wrist party badge
The DC503 DEF CON 26 VIP Banglet is a source-backed wrist-worn party badge documented by the Apache-2.0 `pdxbadgers/2018-banglet` repository and by BSidesPDX 2018's public Making of the Banglet talk listing.
Blockchain wallet badge with secure element, e-paper, Wi-Fi, and BLE
HITCON CMT 2018's official events page documents HITCON Wallet as a limited blockchain electronic badge for Royal VIP and Premium Pass holders, with secure-element cold-wallet functionality, electronic paper, Wi-Fi, and Bluetooth Low Energy. The same official page says holders could join a secret activity during the conference and later use the device as an offline physical wallet for Bitcoin or Ethereum.
Pixl.js JavaScript badge with RGB, sensors, and expansion headers
An Apache-2.0 archived NearForm badge for NodeConf EU 2018 in Kilkenny, based on Pixl.js and Espruino with LCD, Bluetooth programming, RGB lighting, vibration motors, light, accelerometer and magnetometer APIs, extension headers, apps, patterns, and attendee name tooling.
Bangle.js JavaScript and TensorFlow smartwatch badge
A NodeConf EU 2019 attendee smartwatch badge built around the NodeWatch/Bangle.js open-source JavaScript watch platform, with Espruino programming, nRF52832 BLE hardware, colour LCD, sensors, GPS/Glonass, app loading, and TensorFlow Lite gesture experiments.
ESP32 portable CTF badge
BSides San Diego 2026 handed attendees a Cyberpunk Bunny electronic badge: an ESP32-powered portable CTF with cryptography challenges, wireless hacking, hidden secrets, an accelerometer-driven oracle, BLE co-op behavior, and an ultimate hidden flag path.