There’s a good few options for exporting data out of FPGAs, like Ethernet, USB2, or USB3. Many FPGAs have a HDMI (or rather, sparkling DVI) port as well, and [Steve Markgraf] brings us the hsdaoh ...
With this relatively inexpensive Raspberry Pi accessory, you can level up your Pi projects by adding a pair of HDMI ports as well as NVMe M.2 support.