OpenWrt on TL MR3020 controlling Arduino CONTINUED

Temperature Monitoring added

Now temperature sensor data is view-able from the web interface, LM35 attached to arduino senses the temperature. Once the status update request send from the router to arduino in a given interval, Arduino replies with the pin status and sensor data.
That data can be stored in a Lite DB for further use or to draw the graph on the web GUI. Currently it is displayed on the GUI for testing purposes.

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