How to make Stm32 Lorawan Device Subscribe to AWS IOT topic

Question

I have connected STM32WL device to AWS IOT, publish data under topic **lorawan**
1. How can i make Lorawan device to subcribe to a topic. So later i can publish data to that topic and lorawan device will receive data ?
2. How to can i send downlink to Lorawan device by publishing to AWS Topic ?

Accepted Answer

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.

How to make Stm32 Lorawan Device Subscribe to AWS IOT topic

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