Tag dossier
Badge records tagged with Brazil, across Brazil.
LPC1343 ARM development badge
An open-source H2HC 2013 badge for the 10th Hackers to Hackers Conference in Brazil, built as a USB-enabled ARM Cortex-M3 development board based on the LPC1343 and intended as an experimental next-generation GoodFET platform.
ATTiny85 USB HID injector badge
A small H2HC 2017 badge built around an ATTiny85 USB-stick module for USB HID keyboard-injector experiments, Micronucleus bootloader flashing, and Arduino IDE workshop-style payload development.
Bottle-shaped ESP32 BLE and OLED badge
A small-batch H2HC 2018 bottle-shaped PCB badge with an ESP32 WROOM, I2C OLED display, six controllable LEDs, BLE behavior, AAA or USB power, and Arduino IDE source-code notes.
Wooden-PCB NE555 wrapped-wire badge
A deliberately old-school H2HC 2022 badge built as a wooden PCB with large components, wrapped wire, an NE555 clock signal, and blinking LEDs.
Custom Game Boy conference game artifact
A custom H2HC 2023 Game Boy game badge/artifact distributed as a conference-themed game cartridge experience rather than a PCB electronics badge.
Custom CR80 Hacker ID identity artifact
The first-edition H2HC 2024 Hacker ID Card, a custom CR80-size identity-card badge/artifact produced with a dedicated card-printing workflow.
Garoa ESP8266/OLED community electronic badge
Garoa Hacker Clube's own event-period demo repository identifies its REV. 0 board as a badge distributed at BSides SP 2026. The Garoa and official V21 event sources establish the completed São Paulo conference, while the public source trail documents an ESP8266 badge with a 128×64 OLED, buttons, sound/IR path, microSD socket, FTDI programming header, and public KiCad/Gerber/BOM material. It does not prove one final firmware or hardware revision for every conference unit.