Can I broadcast from 2 cameras at once?

Welcome to the Zoom Community, @M2112W.

Yeah, Zoom only transmits one camera video per user. But there is a workaround that’s pretty easy.

Create a second account; it can be a Basic/free account. Use your laptop camera as normal from your normal account; log in from your second account using a smart phone or tablet, being sure to mute it and turn the volume all the way down – and point that at your fingers (maybe use a small tripod to mount your phone on. 

There are other ways, but requires some willingness to get into technical details. Let me know if you’d like a high-level discussion of a couple of them.