I've actually built a second iteration that uses a Raspberry Pi 4 that has 2 HDMI ports, and uses 2 2-way splitters. The hardware was much cheaper and this vers

I've actually built a second iteration that uses a Raspberry Pi 4 that has 2 HDMI ports, and uses 2 2-way splitters. The hardware was much cheaper and this version can support complementary pairs of images or bookending of the same pattern. It's still not a cheap project, but more approachable. Also, thank you!