Hacker Con Badges

Lifecycle

Add-ons & Upgrades

Badge ecosystems keep moving after handout: apps, hexpansions, SAOs, antennas, cases, repair parts, firmware updates, and post-event hardware experiments.

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1567 matching add-on(s)
MuHack Badge documented

hardware add-on ecosystem

BOSS add-on socket

The official page documents a BOSS socket so the badge can be extended with add-on boards.

Compatibility: MuHack Badge

Source
BornHack 2018 Badge historical

hardware add-on ecosystem

Breakout boards

The breakoutboards branch collected accessory board designs and parts information for the 2018 badge.

Compatibility: BornHack 2018 Badge

Source
Konsool ongoing

hardware add-on ecosystem

Expansion boards

Konsool documents expansion boards and multiple expansion buses, making external hardware part of the platform rather than a one-off mod.

Compatibility: Konsool expansion connectors

Source
Tildagon ongoing

hardware add-on ecosystem

Hexpansions

Six edge connectors allow community hardware modules such as prototyping boards, decorative boards, sensors, GPS, communications, plotter experiments, and other hexpansions.

Compatibility: Tildagon / EMF 2024+ hexpansion connector

Source
Fri3d 2018 Ph0xx historical

hardware add-on ecosystem

Jewels

The Ph0xx project documents jewel add-ons as part of the intended hardware play surface.

Compatibility: Fri3d 2018 Ph0xx

Source
r0ket historical

hardware add-on ecosystem

m0duls and shields

The r0ket wiki tracked hardware hacks, shields, and add-on ideas, making expansion hardware part of the badge culture from the start.

Compatibility: r0ket

Source
TROOPERS19 Badge historical

hardware add-on interface

Shitty Addon connector

The TROOPERS19 badge exposed a 3.3 V I2C Shitty Addon interface so the badge could wear its own small add-on boards.

Compatibility: TROOPERS19 Badge

Source
ZACon V Badge source-backed

hardware and firmware extension

Hackable pinout and EEPROM commands

External ICSP, RX, TX, and reset access made reflashing and serial extension possible, while special RF codes could store text in EEPROM or trigger visual effects.

Compatibility: ZACon V Badge

Source
SAINTCON 2018 ESP32 Badge source-backed

hardware and firmware platform

ESP32 MicroPython badge core

The badge README documents an ESP32 Wi-Fi module running MicroPython, and the repository preserves the source tree and binary image used to operate the badge.

Compatibility: SAINTCON 2018 ESP32 Badge

Source
H2HC 2017 Badge source-backed

hardware architecture

ATTiny85 USB HID injector

The badge used a Watterott Wattuino Nanite 85 / ATTiny85 USB-stick style board to act as a programmable USB keyboard injector.

Compatibility: H2HC 2017 Badge

Source
AND!XOR DC25 Badge source-backed

hardware architecture

BMD-300 / nRF52 BLE badge core

The project page and postmortem document a Rigado BMD-300 module based on Nordic nRF52 with ARM Cortex-M4F, 512 KB flash, 64 KB RAM, integrated antenna, Nordic S132 SoftDevice, TFT display, WS2812B LEDs, sensors, and microSD.

Compatibility: AND!XOR DC25 Badge

Source
BSidesPDX 2017 BMD-300 Badge source-backed

hardware architecture

BMD-300 BLE badge core

The repository BOM lists a BMD-300 module and the Eagle schematic exposes the Nordic/BMD-300 pinout, SWD pins, NFC pins, and power connections.

Compatibility: BSidesPDX 2017 BMD-300 Badge

Source
AND!XOR DC27 Badge source-backed

hardware architecture

BMD-340 / nRF52840 badge core

The project page identifies the DC27 badge core as a Rigado BMD-340 module with Nordic nRF52840, paired with power regulation, capacitive touch, SWD/Tag-Connect, USB-C, and SAO 1.69bis hardware surfaces.

Compatibility: AND!XOR DC27 Badge

Source
LCA2017 IoTuz ESP32 Board source-backed

hardware architecture

ESP32 IoTuz hardware platform

The hardware README frames IoTuz as a custom linux.conf.au 2017 Open Hardware board built around the then-new ESP32 with WiFi, Bluetooth, and dual-core CPU capability.

Compatibility: LCA2017 IoTuz ESP32 Board

Source
NorthSec 2021 Badge source-backed

hardware architecture

ESP32 LCD game board

The 2021 badge combined ESP32, 240x240 LCD, Wi-Fi, NeoPixels, six buttons, buzzer, and USB or external battery power.

Compatibility: NorthSec 2021 Badge

Source
NorthSec 2022 Badge source-backed

hardware architecture

ESP32 WROOM32 production badge core

The V3j BOM identifies the badge core as ESP32_WROOM32_SKINNY with CH340C USB serial, AP2112 regulation, MCP73831 charging, power switching, and USB connector hardware.

Compatibility: NorthSec 2022 Badge

Source
THOTCON 0xD Badge source-backed

hardware architecture

ESP32 touch-wheel badge core

Hackaday.io and the repository README document an ESP32-compatible badge architecture with capacitive touch-wheel input, center button, TFT display, buzzer, LEDs, and LiPo power context.

Compatibility: THOTCON 0xD Badge

Source
HackConRD 2026 eBadge source-backed

hardware architecture

ESP32-C3 TFT badge core

The firmware README documents an ESP32-C3 RISC-V MCU, Adafruit ST7789 240x240 TFT, twelve WS2812B LEDs, passive buzzer, and four navigation buttons.

Compatibility: HackConRD 2026 eBadge

Source
CactusCon 11 Badge source-backed

hardware architecture

ESP32-S2 WROOM badge core

Badge Pirates identifies the central controller as an Espressif ESP32-S2 WROOM with 2.4 GHz Wi-Fi for the badge's IoT behavior.

Compatibility: CactusCon 11 Badge

Source
BSides Canberra 2023 bPod source-backed

hardware architecture

ESP32-S2 colour-screen badge core

The bPod repository and update page document an ESP32-S2 badge with ST7735 colour screen, capacitive touch controls, USB-C, LEDs, SAO connector, flash, and PSRAM-related hardware files.

Compatibility: BSides Canberra 2023 bPod

Source
Disobey 2026 Badge source-backed

hardware architecture

ESP32-S3 TFT badge core

The hardware docs document ESP32-S3 WROOM-2, a 1.9-inch ER-TFT019-1 display, SK6812MINI RGB LEDs, joystick/buttons, GPIO mapping, schematic v11, and STEP mechanical model references.

Compatibility: Disobey 2026 Badge

Source
AND!XOR DC26 Badge source-backed

hardware architecture

ESP32-WROVER Wild West core

The project page and retrospective document the move to ESP32-WROVER for WiFi/Bluetooth, external RAM, LULZCODE memory needs, and faster display/SD-card paths after the DC25 BMD-300 badge.

Compatibility: AND!XOR DC26 Badge

Source