Many people on the GS8+ forum have tried, tested and approved them. If I'm correct these actually use the same chipset as does the actual DeX, and they spoof the verification signals of the original DeX. This is actually huge, since I'm sure many of us already have a USB-C hub!
Great Work @karatekid430 !
Unless you can make your own PCB with HDMI to LVDS converter chip small enough to fit with the phone inside the case then you may struggle with older LCDs. May be a bit easier with eDP displays.
It would be easier with that custom kernel as you wouldn't need to go Type C > DP > HDMI > eDP. You could build in the keyboard and TP to USB controller.
Adafruit has the Qualia HDMI to eDP driver board for modern screens but it's built specifically for iPad LCDs.
Or, one could convince the manufacturer to make a version of this adapter that has a DisplayPort/Mini DisplayPort connector, to what one could connect an eDP compliant display. It would be cheaper to manufacture (no need to do the DP-HDMI conversion), and easier to work with if we want something built-in.
But it could be made in a way so that the S8/+ connects via a Type C port (so no dock, etc.), and all the internals have are this adapter, the HDMI-LVDS interface, an M.2 SSD with USB interface, and a big battery pack.
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