Chapter 3. application solution
3.12.2 Does ESP Azure library support Azure IoT Central? Is there an example?
• ESP Azure already supports Azure IoT Central. But there is no relevant example on the master.
• The PnP example on the ESP Azure’s preview/pnp_example branch will report some actual data from sensors,
you can refer to the operation of Azure IoT Central for the data management.
3.12.3 What should I do to connect ESP32 to Alibaba Cloud via ESP32 + Ethernet +
MQTT?
• Use esp-aliyun but replace the Wi-Fi initialization code with Ethernet initialization. You can refer to the
Ethernet example under ESP_IDF.
3.12.4 what do Alexa LED states indicate?
• You can refer to Alexa LEDs.
3.13 ESP-WIFI-MESH development framework
Note: If you have new requirements for Wi-Fi Mesh related application scenarios, we recommend that you directly
use our newly launched ESP-Mesh-Lite solution, instead of Wi-Fi Mesh.
3.13.1 What is the maximum data transmission load for Wi-Fi mesh?
• Up to 1456 bytes.
3.13.2 Does ESP32’s Wi-Fi Mesh supports No Router self-networking?
• Yes, please refer to example esp-mdf/examples/function_demo/mwi/no_router.
3.13.3 What is the maximum number of node layers allowed when ESP32 uses Wi-Fi
Mesh?
• In the Wi-Fi Mesh network, you can set the maximum number of layers via esp_mesh_set_max_layer().
• For tree topology structure, the maximum number is 25; while for chain topology structure, the maximum
number is 1000.
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