They are just not expandable. I would not recommend to tinker around on this one. I keep using the old firmware since It was a known stable state. They are professionally soldered. It would have been a waste to make it a prototype board.
They are just not expandable. I would not recommend to tinker around on this one. I keep using the old firmware since It was a known stable state. They are professionally soldered. It would have been a waste to make it a prototype board.