1CONFIG_BT=y 2CONFIG_BT_PERIPHERAL=y 3CONFIG_BT_SMP=y 4CONFIG_BT_GATT_CLIENT=y 5CONFIG_BT_DEVICE_NAME="Zephyr GATT Write" 6 7CONFIG_BT_BUF_ACL_RX_SIZE=255 8CONFIG_BT_BUF_ACL_TX_SIZE=251 9CONFIG_BT_BUF_CMD_TX_SIZE=255 10CONFIG_BT_BUF_EVT_DISCARDABLE_SIZE=255 11 12CONFIG_BT_L2CAP_TX_MTU=247 13 14CONFIG_LOG=y 15