You’ll want to have your webcam a set distance above the playmat so that it can capture the full view. The difficult part lies in building a rig. You’ll be able to watch the game on your laptop, and broadcast your own board state from your webcam. Using a desktop or laptop computer, with an external USB webcam, is arguably the easiest way to get going.
How’s best to do this? Well, there are two main ways: Using a Computer & Web Cam