Hi all, thought I’d better just start here, sorry. So I have a situation where I want to display three little cheap (but totally impressive) Chinese USB video microscopes on a single good-sized monitor, all three “live” at once. No recording or audio or anything, just need to see them all at the same time as very small things get moved around in their respective FOVs. It’s a DIY thing, trying not to spend any more money on the setup than I have to. How would I best go about this? Does the fact that the things are USB (versus HDMI, etc.) complicate matters? Am I looking for a type of “video switcher”, or,…? Thanks in advance for your expert help here. —Charley