Any way to create a running text log along with my chart? | ThingSpeak API | Forum

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Any way to create a running text log along with my chart?
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January 22, 2014
8:17 pm
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awardblvr
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Is there any way to create a running text log with messages from my arduino to appear in another window with my temperature chart?

What is this called? I just need a lead on what to call this so I can go look at how to do it.

Thanks

-A

January 24, 2014
8:29 pm
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turgo

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I believe you can send text to a channel field. In fact, if your not careful, you will send numbers with white space to ThingSpeak, and it will treat them as text. In Arduino, use mystr.trim(); to fix the white space problem.

February 10, 2014
7:48 pm
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rw950431

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ThingSpeak has a status field for each channel that would seem a good fit for storing your status messages.

To display you may have to use something like a Google Viz annotation chart [1] or dygraphs annotations[2]. I've posted some code using Google Viz at https://gist.github.com/rw950431/8815072 which you may be able to adapt.

[1] https://developers.google.com/chart/interactive/docs/gallery/annotationchart

[2]http://dygraphs.com/gallery/#g/annotations

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