# Enable network stack CONFIG_NETWORKING=y CONFIG_NET_LOG=y # Enable IPv4 CONFIG_NET_IPV4=y # Enable IPv6 CONFIG_NET_IPV6=y # Enable TCP CONFIG_NET_TCP=y # Enable DHCP CONFIG_NET_DHCPV4=y # Enable Sockets (used by MQTT lib) CONFIG_NET_SOCKETS=y CONFIG_NET_SOCKETS_SOCKOPT_TLS=y # Enable MQTT CONFIG_MQTT_LIB=y CONFIG_MQTT_LIB_TLS=y # Enable Mbed TLS CONFIG_MBEDTLS=y CONFIG_MBEDTLS_BUILTIN=y CONFIG_MBEDTLS_ENABLE_HEAP=y CONFIG_MBEDTLS_HEAP_SIZE=60000 CONFIG_MBEDTLS_SSL_MAX_CONTENT_LEN=16384 CONFIG_MBEDTLS_PEM_CERTIFICATE_FORMAT=y CONFIG_MBEDTLS_SERVER_NAME_INDICATION=y # Enable JSON CONFIG_JSON_LIBRARY=y # Enable net conn manager CONFIG_NET_CONNECTION_MANAGER=y # Enable device hostname CONFIG_NET_HOSTNAME_ENABLE=y # Enable Posix API functionality CONFIG_POSIX_API=y # Enable sensor API CONFIG_SENSOR=y # Enable LED API CONFIG_LED=y # Main stack size CONFIG_MAIN_STACK_SIZE=2048 # System work queue stack size CONFIG_SYSTEM_WORKQUEUE_STACK_SIZE=2048 # Increase Rx net buffers CONFIG_NET_BUF_RX_COUNT=100