Charting Digital ON/OFF Variable | ThingSpeak API | Forum

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Charting Digital ON/OFF Variable
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December 4, 2011
8:45 am
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mcmahongg
Ireland
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Is there a way to chart a digital variable on ThingSpeak - e.g. an ON/OFF indication for a heater status over time? Of course, one could configure +5V=ON, 0V = OFF, and display these two levels of analog voltage, but it would be good to have true digital display capability.

thanks 

Gerry

December 4, 2011
10:51 am
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Hans
Natick, MA

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On the digital variable display. If you send 5V and 0V (5 and 0), and then use "&type=step" on the chart API and the presentation will be "digital".

Is this close?

https://thingspeak.com/channels/212/charts/1?results=10&step=true

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