### Azure IoT device SDK for Node.js

Source: https://github.com/azure/iot/blob/main/README.md

This SDK allows Node.js developers to build applications for connecting and managing IoT devices with Azure. Packages are available on NPM for seamless integration.

```JavaScript
const { Client } = require('azure-iot-device');
const { Mqtt } = require('azure-iot-device-mqtt');

// Example usage (conceptual)
const connectionString = 'YOUR_DEVICE_CONNECTION_STRING';
const client = Client.fromConnectionString(connectionString, Mqtt);

client.open(function(err) {
  if (err) {
    console.error('Could not open connection: ' + err.message);
  } else {
    console.log('Connection opened');
  }
});
```

--------------------------------

### Azure IoT device SDK for .NET

Source: https://github.com/azure/iot/blob/main/README.md

The .NET SDK for Azure IoT enables .NET developers to connect and manage IoT devices with Azure services. Packages are available on NuGet for easy integration into .NET applications.

```C#
using Azure.Messaging.EventHubs;
using System;

// Example usage (conceptual)
var connectionString = "YOUR_EVENTHUB_CONNECTION_STRING";
var client = new EventHubProducerClient(connectionString);

// Send events...
Console.WriteLine("Sending events...");
```

--------------------------------

### Azure IoT device SDK for Java

Source: https://github.com/azure/iot/blob/main/README.md

The Java SDK for Azure IoT provides Java developers with the tools to connect and manage IoT devices. It is distributed via Maven, making it straightforward to include in Java projects.

```Java
import com.microsoft.azure.sdk.iot.device.*;
import java.io.IOException;

// Example usage (conceptual)
public class DeviceClient {
    private static final String connectionString = "YOUR_DEVICE_CONNECTION_STRING";
    private static DeviceClient client;

    public static void main(String[] args) throws IOException {
        client = DeviceClient.createFromConnectionString(connectionString, Protocol.MQTT);
        client.open();
        System.out.println("Device connected.");
    }
}
```

--------------------------------

### Azure IoT device SDK for Python

Source: https://github.com/azure/iot/blob/main/README.md

The Python SDK for Azure IoT provides Python developers with the capabilities to connect and manage IoT devices. It is available on PIP, simplifying its inclusion in Python projects.

```Python
from azure.iot.device import IoTHubDeviceClient, Message

# Example usage (conceptual)
conn_str = "YOUR_DEVICE_CONNECTION_STRING"

client = IoTHubDeviceClient.create_from_connection_string(conn_str)

client.connect()
print("Connected to IoT Hub")

# Send a message...
message = Message("Hello from Python!")
client.send_message(message)
print("Message sent")
```

--------------------------------

### Azure IoT Middleware for FreeRTOS

Source: https://github.com/azure/iot/blob/main/README.md

This platform-specific library serves as a binding layer between FreeRTOS and the Azure SDK for Embedded C. It simplifies the process of integrating Azure IoT capabilities into FreeRTOS-based embedded projects.

```C
// Conceptual code snippet for FreeRTOS middleware
#include "azure_iot_freertos.h"

int main() {
    // Initialize FreeRTOS scheduler
    // Initialize Azure IoT middleware for FreeRTOS
    // Configure and connect to Azure IoT services
    return 0;
}
```

--------------------------------

### Azure IoT Middleware for Azure RTOS

Source: https://github.com/azure/iot/blob/main/README.md

This platform-specific library acts as a binding layer between Azure RTOS and the Azure SDK for Embedded C. It facilitates the integration of Azure IoT functionalities into embedded systems running Azure RTOS.

```C
// Conceptual code snippet demonstrating middleware usage
#include "azure_iot_azure_rtos.h"

int main() {
    // Initialize Azure RTOS components
    // Initialize Azure IoT middleware
    // Establish connection to Azure IoT Hub
    return 0;
}
```

--------------------------------

### Azure IoT SDK for Embedded C

Source: https://github.com/azure/iot/blob/main/README.md

The Azure SDK for Embedded C is designed to enable small embedded IoT devices to communicate effectively with Azure services. It provides the necessary libraries and tools for building secure and reliable connections.

```C
#include "azure/iot/az_iot_common.h"
#include "azure/iot/az_iot_hub_client.h"

// Example usage (conceptual)
int main() {
    az_iot_hub_client client;
    // Initialize client...
    // Connect to IoT Hub...
    return 0;
}
```

=== COMPLETE CONTENT === This response contains all available snippets from this library. No additional content exists. Do not make further requests.