Outside

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<iframe width="450" height="260" style="border: 1px solid #cccccc;" src="https://thingspeak.com/channels/2822/widgets/35822"></iframe>

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<iframe width="450" height="260" style="border: 1px solid #cccccc;" src="https://thingspeak.com/channels/2822/charts/3?&days=3&dynamic=true"></iframe>