Power & Source of Big Ideas

Hi new to this forum and also new to NanoPi I use NanoPi Neo Air, booting from eMMC (works perfect) now I want to use the TF Card as removable drive if the card is inserted during boot up, it's recognized as mmcblk1 179:0 0 29.5G 0 disk └─mmcblk1p1 179:1 0 29.5G 0 part I'm also able to mount and unm...