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evmux Knowledge Base

How to Use the Whiteboard Widget (Excalidraw)

The Whiteboard widget puts an Excalidraw board on your scene: freehand drawing, shapes, arrows, text and sticky-note style diagrams, in the familiar hand-drawn look. Viewers see the board update as you draw. It is the tool for teaching, explaining a process, sketching a play or working through a problem live.

When to Use

  • Lessons and tutorials where you explain by drawing
  • Brainstorms with a guest, building a diagram together on air
  • Sports and game analysis with arrows and marks

Steps

Step 1: Add the Whiteboard Widget

  1. Open the Layers tab. Apps work on both scene types:
    • Dynamic Scene: expand Apps & Widgets -> Add from marketplace
    • Pro scene: click Add New Layer -> Apps & Widgets
  2. Search for Whiteboard - Excalidraw and click the card, then click Add to Scene

The evmux App Market filtered to the Whiteboard - Excalidraw card, highlighted

The Whiteboard app page with the Add to Scene button highlighted

Step 2: Start Drawing

The board fills the scene as a white sheet that says Double Click To Draw.

The Whiteboard widget filling the scene, with the settings panel highlighted: background color, Fixed Content, Draw in new tab, and Discard And Create New Sheet

There are two ways to draw:

  • Double-click the board to draw directly on the scene with the Excalidraw tools.
  • Click Draw in new tab in the settings panel. The same board opens in a separate browser tab with the full Excalidraw toolbar, which is more comfortable for longer sessions. Everything you draw there shows on the scene at once. Put the tab on a second screen and you can draw while keeping an eye on the studio.

Step 3: Settings

SettingWhat it does
Background ColorThe color of the sheet. Pick a dark one for a chalkboard look
Fixed ContentKeeps the drawing from panning and zooming on the scene, so viewers always see the same framing as you
Draw in new tabOpens the board in its own tab for drawing
Discard And Create New SheetWipes the board and starts a blank one

Step 4: Place the Board

Resize the layer if you want the board beside your camera rather than full screen. The drawing scales with the layer.

Tips

  • Draw from a separate tab on a tablet or a second monitor. It keeps your camera framing steady while you draw.
  • Use the text tool for labels rather than handwriting them. It stays readable on phones.
  • The board is saved with the scene, so a diagram you built in one show is still there in the next unless you clear it.