Hi Pavlin,
I did not see any problem with the schematic and SPI connections. The gnd under the chip is probably not the reason for this, but the lack of the connection may cause thermal issues later. It is recommended to make the connection.
I did not see any problem with the schematic and SPI connections. The gnd under the chip is probably not the reason for this, but the lack of the connection may cause thermal issues later. It is recommended to make the connection.