Tag dossier
Badge records tagged with TFT, across Finland, Serbia, United States.
STM32F4 badge for CAN bus and vehicle-hacking experiments
LayerOne 2017's electronic badge was a CAN-bus-focused STM32F4 conference badge with a TFT display, storage, USB device and host behavior, external CAN headers, audio output, rechargeable battery planning, PC-side CAN tooling, and J2534-adjacent software work.
Retro-computing BASIC and CP/M badge
A battery-powered retro-computing badge with 55-key keyboard, 320x240 RGB TFT LCD, PIC32MX370F512H, external flash, speaker, BASIC interpreter, CP/M/Z80 emulation, and expansion-header hacking.
Badge Pirates CC13 ESP32-S3 badge archive
The CactusCon 13 badge is preserved through Badge Pirates' public CactusCon13 repository, which publishes KiCad CAD files, Gerber output, outer-board variants, 3D-print assets, ESP32-S3 reference material, and a MIT-licensed source archive for the 2025 CactusCon badge.
ESP32 touch-wheel badge with TFT, audio, LEDs, and games
The THOTCON 0xD badge was a Fourfold-built electronic conference badge for the May 30-31, 2025 Chicago event, documented as a 2,000-unit ESP32 touch-wheel badge with ST7789 TFT display, buzzer, six LEDs, LiPo power, add-on header, games, visual effects, and challenge hooks.
RP2040 galvanic-vestibular badgelife badge
The Tipsy Badge was an independent DEF CON 33 electronic badge by seeess, sold at the Hacker Warehouse vendor booth, with public CC BY-NC 4.0 repository documentation, firmware, a badge photo, 2xAAA power, RP2040 control, TFT display, buttons, LEDs, SAO port, custom photo storage, and galvanic vestibular stimulation modes.
Badge Pirates ESP32-S3 hardware archive
The CactusCon 14 badge is preserved through Badge Pirates' public CC14 repository, which publishes KiCad design files, schematic PDF, interactive BOM, Gerbers, STEP exports, 3D-printable enclosure parts, and art assets for the 2026 CactusCon conference badge.
ESP32-S3 MicroPython game badge
A Finnish Disobey badge built around ESP32-S3, a 1.9-inch TFT display, SK6812MINI RGB LEDs, joystick/buttons, MicroPython game firmware, OTA setup, web flashing, badge competitions, and a public hardware/firmware repository.