This set of samples will demonstrate how to connect and send messages to an Azure IoT Hub without using the Azure IoT SDKs.

Read the Communicate with your IoT Hub using the MQTT protocol for detailed instructions on connecting your device to IoT Hub using MQTT without an SDK.

Azure provides a set of SDKs across multiple languages for connecting device to IoT Hub and DPS. The advantages of using an Azure IoT Device SDK over building a custom connection layer are outlined below:

For more information, refer to the Overview of Azure IoT Device SDKs.

This repository contains the following samples:

• Mosquitto client library
• Mosquitto_pub CLI
• Python

Note Azure IoT services are moving to a new CA root, see here for details.

This repository provides the file IoTHubRootCA.cert.pem which contains the following root certificates:

To be able to run these samples the following general prerequisites are needed:

1. Clone this repository (Install Git)
2. Change into the cloned directory:

    cd IoTMQTTSample

1. Install the Azure CLI

2. Provision an IoT Hub in your Azure subscription

3. Register a device within your IoT Hub

4. Generate a SAS token for the device using the Azure CLI

   Note By default the SAS Token is valid for 60 minutes. Use the --du parameter to increase if needed.

Additional prerequisites may be required by each individual sample.

For details on contributing to this repository, see the contributing guide.

If you believe you have found a security vulnerability in any Microsoft-owned repository that meets Microsoft's definition of a security vulnerability, please report it to the Microsoft Security Response Center.