HAR demo

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<iframe width="450" height="260" style="border: 1px solid #cccccc;" src="https://thingspeak.com/apps/matlab_visualizations/331279"></iframe>

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<iframe width="450" height="260" style="border: 1px solid #cccccc;" src="https://thingspeak.com/apps/matlab_visualizations/331281"></iframe>