DEF CON

DEF CON 30

The 2022 Hacker Homecoming edition whose MK Factor official musical badge used Raspberry Pi Pico/RP2040-class hardware, a playable keyboard, display, speaker, audio I/O, firmware extraction paths, and a multi-part community badge challenge.

Caesars Forum, Flamingo, Linq, and Harrah's, Las Vegas, Nevada · United States · 2022

DEF CON 30 Badge

An MK Factor official DEF CON 30 musical badge with Raspberry Pi Pico/RP2040-class hardware, a playable keyboard, display, speaker, audio input/output behavior, boot-mode and mass-storage update paths, and a music-and-pop-culture badge challenge spread across nine badge variants.

Lifecycle

Add-ons & Upgrades

DEF CON 30 Badge historical

badge interface

Playable synthesizer keyboard

The badge operated as a playable musical keyboard and synthesizer with instrument behavior, display, speaker, and challenge mode tied to note entry.

Compatibility: DEF CON 30 Badge

DEF CON 30 Badge historical

event challenge

Nine-variant music challenge

The challenge required collecting musical faceplate measures across multiple badge colors and using the combined melody to unlock later phone, URL, and friend-code stages.

Compatibility: DEF CON 30 Badge

DEF CON 30 Badge archived

firmware workflow

BOOTSEL and picotool firmware path

Forum and reversing sources document booting into mass-storage/BOOTSEL behavior and using picotool or chip-off workflows to dump or replace firmware.

Compatibility: DEF CON 30 Badge

Operational history

Issues & Camp Impact

Resources

Sources