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IoT: Building Arduino-Based Projects by Drew Van Duren, Brian Russell, Pradeeka Seneviratne, Peter Waher

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Adding XMPP support to the camera

Enabling XMPP in our camera is also easy, except that we will register our camera as LearningIoT-Camera instead of LearningIoT-Sensor. Previously, our camera has only worked in the local area network using UPnP. Since UPnP is based on HTTP, the camera image will be automatically available over XMPP if we make sure to activate HTTP over XMPP support, as described earlier in this chapter.

We also need to provide a sensor interface with an event infrastructure, similar to the one provided by UPnP. The simplest way to do this is by converting the camera into a sensor and reporting the corresponding camera parameters as sensor data fields. Since the sensor data model supports events, we can achieve the same thing over ...

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