In Chapter 1, Introduction to Edge Analytics, we described Azure IoT as a collection of Microsoft Azure cloud services used to build IoT applications. The following screenshot is a list of the cloud services that make up Azure IoT:
Azure IoT Hub is one of these services. Azure IoT Hub is a managed service hosted in the cloud that allows for two-way communication between an IoT application and its devices. Put another way, Azure IoT Hub is the hub for your IoT application. A simple IoT application using only the IoT Hub without the other Azure IoT services is easy to set up and run.
In the following tutorial, we will build such an application.
