Not all HDMI cables are equal ... provided the monitors include both a DP input and output that allows daisy-chaining. The ...

Not according to [techtoys], who has created an Arduino shield that creates an HDMI output from an SPI control input. This is a project that seems to have been around for a couple of years ...

UGREEN HDMI Switch 2 in 1 Out 4K 60Hz Splitter, Bi-Directional 2 Input 1 Output Support 3D Compatible with Xbox PS4 PS5 Blu-Ray Player Roku TV Stick HDTV Monitor The Tukzer HDMI switch lets you ...