An STM32 nucleo board with a black PCB on top, in which an M.2 slot contains yet another board on which a QFN chip is mounted. The chip is labeled '02'.
https://object.ceph-waw3.hswaw.net/mastodon-prod/media_attachments/files/112/750/348/506/984/801/original/a97b72b0e3abb89c.png