You can switch HDMI inputs using your Apple TV remote - here's how

Though Apple TV provides quality entertainment, the remote has one issue: an inability to switch HDMI inputs. Fortunately, ...
Morning Overview on MSN

Your Roku setup might be sabotaging your picture quality via the HDMI port

Your Roku can technically plug into any HDMI input, but the specific port, cable, and settings you choose can quietly cap your resolution, break HDR, or even trigger copy‑protection errors that leave ...

This is when you need an HDMI switch, a splitter, or both

A splitter allows a single peripheral to output to multiple displays.
Hackaday

Android Set Top Box Lets You Stream And Record Via HDMI Input

While on the hunt for some hardware that would let him stream video throughout his LAN [danman] got a tip to try the €69 Tronsmart Pavo M9 (which he points out is a re-branded Zidoo X9). With some ...