HDTV Supply has hundreds of HDMI modular matrix switches that we want to have and interface with a roomy remote and need a programmer to do it for us.
Here are a few examples:
https://www.hdtvsupply.com/modular-matrix-switchers.html
https://www.hdtvsupply.com/16x16-hdmi-matrix-routing-switcher.html
if you’re interested please send a personal email to Jim@ hdtvsupply.com