DC34 Badge Workbench

Change the screen, BIO, QR codes, console, and lights from one place.

Local by design · Badge data stays on your device

Checking browser USB support…

DC34
128 × 128 monochrome display preview
When
Saturday, Aug 8 · 4–5 PM PDT
Where
LVCC Level 1 · Exhibit Hall West 3 · Room 1102
Who
Will Hatzer + Charles “OhYou_” Grow

One badge · Six jobs

Choose what you want to change.

Preview it, then send it to the badge you select.

Selected job

Screen image

Choose, preview, and send a 128 × 128 image.

  1. 1Choose an image
  2. 2Adjust the preview
  3. 3Send to the badge
Start this job

Quick start

Connect. Pick a tool.

  1. 01

    Use a USB-C data cable.

  2. 02

    Choose Connect badge. Select the badge when asked.

  3. 03

    Pick a tool. Preview, then apply.

Desktop web

Chrome or Edge over HTTPS

Use Web Serial for USB. Previews work before you connect.

Open the web workbench

Android 14

Native USB host support

Install the APK, then connect with a USB-C OTG data cable.

Download the Android app

To the DEF CON community

Thanks for showing up curious.

Thanks for testing, sharing fixes, and keeping DEF CON weird.

Charles “OhYou_” GrowChief Codex Pilot