How to make Stm32 Lorawan Device Subscribe to AWS IOT topic

Hi Tuan Anh. LoRaWAN devices don't connect to AWS IoT Core's MQTT broker. So the STM32WL device can't directly subscribe to an MQTT topic.

LoRaWAN downlink messages can be sent using the console, the CLI and the API (and via the SDKs).

• https://docs.aws.amazon.com/iot/latest/developerguide/connect-iot-lorawan-downlink-queue.html
• https://docs.aws.amazon.com/cli/latest/reference/iotwireless/send-data-to-wireless-device.html
• https://docs.aws.amazon.com/iot-wireless/2020-11-22/apireference/API_SendDataToWirelessDevice.html
• https://boto3.amazonaws.com/v1/documentation/api/latest/reference/services/iotwireless.html#IoTWireless.Client.send_data_to_wireless_device

You may find it useful to go through the following workshop: https://catalog.us-east-1.prod.workshops.aws/workshops/b95a6659-bd4f-4567-8307-bddb43a608c4/en-US. The ST Nucleo-WL55JC is a supported device: https://catalog.us-east-1.prod.workshops.aws/workshops/b95a6659-bd4f-4567-8307-bddb43a608c4/en-US/300-device/150-examples.