Now that the data is exposed in the form of APIs, it can be consumed by an interface such as a mobile app, a web dashboard, or a smart watch.
Since the data is exposed over REST APIs or WebSockets, any client that is capable of interfacing with these web technologies can extract the data/metrics and provide an overview of what is happening on the device.
The purpose of these applications is to represent sensor data and provide an interface to control the actuator.
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