It's easy to connect an iPad to a projector to stream content to a larger display. Here's what you need to know to do it.

HDMI 2.1 connections are key for high-quality audio and video. 3.5mm offers basic audio; optical handles DTS/Dolby; eARC provides the highest quality sound. USB ports support charging, file access, ...

The humble HDMI port has become crucial in the world of TVs, but devices like smartphones and game consoles can still connect ...