Do you want this so that you can write on a document and live broadcast what you are writing to a class, via Zoom or similar?
If it is only documents you want to show, you might consider using something like a Wacom tablet instead. They are super cheap and quite easy to use once you get...
Not sure if this is helpful, but even though apple claims to support displayport 1.2 they don't support MST (multi-stream transport) as part of that. That means that you can't daisy chain displayport monitors together and will instead need to make a separate connection to each monitor.
Guest, I have a big favor to ask you. We've been working very hard to establish ourselves on social media. If you like/follow our pages it would be a HUGE help to us.
SoSH on Facebook and Inside the Pylon