# FATFS + SD card through VFS CONFIG_FATFS_VFS_FAT_SDCARD=y CONFIG_ESPTOOLPY_FLASHSIZE_8MB=y CONFIG_ESPTOOLPY_FLASHSIZE="8MB" CONFIG_PARTITION_TABLE_CUSTOM=y CONFIG_PARTITION_TABLE_CUSTOM_FILENAME="partitions_8mb.csv" CONFIG_PARTITION_TABLE_FILENAME="partitions_8mb.csv"