I believe it's GPIO7-10, please find J20 from the schematic, hope we can free up more in the future: https://github.com/cutiepi-io/cutiepi-board/blob/master/SC

I believe it's GPIO7-10, please find J20 from the schematic, hope we can free up more in the future: https://github.com/cutiepi-io/cutiepi-board/blob/master/SCH_20190325.pdf https://github.com/cutiepi-io/cutiepi-board/blob/master/SCH_... I'm also excited about Pi4, but on the other hand worried about thermal issue...