VisionCanvas

VisionCanvas — Draw on camera video, output clean over HDMI VisionCanvas is an iPad app that lets you annotate live video from an external UVC camera or the built-in camera with Apple Pencil (or your finger), then mirror the combined video and ink cleanly over HDMI to an external display or projector. Built for document cameras, teaching, live commentary, and any "show while you draw" workflow. Key Features • External UVC camera support Automatically detects and prefers a connected USB-C external camera, with easy switching to the built-in camera. • Real-time drawing engine Built from scratch (not PencilKit) to track your pencil or finger without lag, mid-stroke — so what you're drawing appears smoothly on the HDMI output as you draw it, not just after you lift. • Free pen & eraser customization Pick any color and width for both pen and eraser. Apple Pencil Pro/2nd generation double-tap…