Need to increase more fields in Free ThingSpeak account?

Question

Amit 2022-7-2

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https://ww2.mathworks.cn/matlabcentral/answers/1752175-need-to-increase-more-fields-in-free-thingspeak-account

编辑： Ismail Bera 2024-2-24

In my experiment, I need more field in a single channel to collect parameters. How can I increase more fields in Free ThingSpeak account?

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Answer 1

Christopher Stapels 2022-7-2

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https://ww2.mathworks.cn/matlabcentral/answers/1752175-need-to-increase-more-fields-in-free-thingspeak-account#answer_998720

编辑：Christopher Stapels 2022-7-2

You can use the status and location field, use multiple channels per device, or pack more inforamtion into a single field (they hold up to 255 characters). You can use custom visualizations to unpack the field values, since the standard field plots wont interpret multiple values.

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Ismail Bera 2024-2-24

编辑：Ismail Bera 2024-2-24

Dear Christopher Stapels,

Thank you for your answer. I have the exact same question. In total I need to visualize 12 parameters out of 6 different sensors. The outputs of the sensors are as follows.

Sensor 1: one parameter

Sensor 2: one parameter

Sensor 3: one parameter

Sensor 4: three parameters

Sensor 5: four parameters

Sensor 6: two parameters

Is it possible to dedicate each sensor to a field? For example:

Field 1 - Sensor 1: so field 1 will only demonstrate that one parameter

Field 2 - Sensor 2: so field 2 will only demonstrate that one parameter

Field 3 - Sensor 3: so field 2 will only demonstrate that one parameter

Field 4 - Sensor 4: so field 2 will demonstrate that three parameters in one graph

Field 5 - Sensor 5: so field 2 will only demonstrate that four parameters in one graph

Field 6 - Sensor 6: so field 2 will only demonstrate that two parameters in one graph

How can I achieve this?

If possible is there any downside to this?

Additionally, as I saw from your previous response, you said a single field holds up to 255 characters. What does it mean? What does custom visualizations to unpack the field values mean?

Thank your for your interest.

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