Tag dossier
Badge records tagged with Lua, across Australia, Canada, United States.
D1 Mini ESP8266 badge kit with MAX7219 LED display and Hackers Challenge registration
The SAINTCON 2016 badge was an electronic kit badge built around a D1 Mini ESP8266 development board, MAX7219 LED driver, and two 4-digit LED modules, with public assembly, flashing, and Hackers Challenge registration documentation.
ESP8266 NodeMCU Hardware Hacking Village challenge badge
Ruxcon 2017's Hardware Hacking Village badge is preserved as an Australian ESP8266/NodeMCU challenge badge with official HHV schedule evidence, public firmware source, and post-event flag walkthroughs.
ESP32-C3 NFC hacker badge with Lua apps, open-sourced hardware and firmware
The Hack the North 2026 hacker badge, documented by the official Devpost event page, attendee firmware archives, and since October 13-14, 2026 by Hack the North's own open-source hardware and firmware repositories: an AA-powered ESP32-C3-MINI-1 board with a 320x240 ST7789 display, eight buttons, an SC7A20 accelerometer, an MFRC522 NFC reader, and WS2812B LEDs. It served as each hacker's ID and meal QR code, unlocked hidden apps by scanning flower-pattern stickers, swapped contacts by bumping badges over BLE, ran a Solana NFC scavenger hunt, and installs user Lua apps from a browser IDE.