That picture shows a brandname, "XD Electronics".
So i googled for xd electronics oled .
And guess what ?
It has already been discussed here in the forums. Check out this thread, it contains links you can use.
Those links lead you to descriptions of the pins and that some of them can have different uses.
You have to set the links in about the center of your board to tell the board what mode of communication you want to use.
I'm sure you can do your magic with that information.