How to connect an iPad Pro 2020 to a HDMI TV or Monitor - USB C to HDMI DP Alt Mode cable - YouTube
Amazon.com: Apple Lightning to HDMI Adapter, Digital AV Audio Dongle, 1080P Sync Screen Cable for iPhone, iPad, iPod to TV/Projector/Monitor, MFi Certified Video Converter : Electronics
Halide creators can turn iPad into an HDMI monitor for cameras and consoles with Orion - 9to5Mac
Accsoon SeeMo HDMI Adapter Released – Turn Your iPhone/iPad into a Monitor | CineD