There was (still is?) a standard of pluggable computer interface into commercial displays. Like you'd get a TV with one or more bays where you'd populate with e

There was (still is?) a standard of pluggable computer interface into commercial displays. Like you'd get a TV with one or more bays where you'd populate with essentially a small computing blade with whatever capabilities you needed. Different inputs, chaining displays together, running signage apps, etc. Cathode Ray Dude has a few episodes about them. https://youtu.be/wRPDn5zPF7U https://youtu.be/wRPDn5zPF7U https://youtu.be/q9a3dCd1SQI?t=2006 https://youtu.be/q9a3dCd1SQI?t=2006 They're called Open Pluggable Specification Modules. https://www.touchboards.com/ops-pc-modules/ https://www.touchboards.com/ops-pc-modules/