Answered
Can someone help me with this coding? When I run it always says No data read, it should be show the result I write there because it already passed the conditions
I just read your channel and there is no data in the past day. NumDays ,1 privides the data from the last day starting now. Yo...

4 years ago | 0

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Answered
Can someone help me with this coding? When I run it always says No data read, it should be show the result I write there because it already passed the conditions
Channel 1517893 is not public. In this line: temperatureData = thingSpeakRead(channelID,'NumDays',1,'Fields',1); you wil need...

4 years ago | 0

Discussion

IoT from Data to Action: Part 3
The <https://www.mathworks.com/videos/series/iot-from-data-to-action.html third movie> in our new series is live. We focus on M...

4 years ago | 3

Answered
HTTP Post - No data at receiver
Instead of thingHTTP, I would reccomend you use a MATLAB analysis. You can use the webwrite command to create a POST. There is ...

4 years ago | 0

Discussion

New ThingSpeak Video Series: IoT from Data to Action
We've started a new video series on how and why to use ThingSpeak. <https://www.mathworks.com/videos/series/iot-from-data-to-act...

4 years ago | 1

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Show value from thingspeak in excel
Here is one example.

4 years ago | 1

Channel

DataTarget

4 years ago

Answered
Send message or command to BBC Micro Bit
I think MQTT is the best way to acheive this. I havent used a micro bit, but I found some examples showing how to connect to an...

4 years ago | 0

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Two graphs in one ThingSpeak window
Have a look at this example. It does some manipulation to make sure the x axis are the same, you may not need to do that in your...

4 years ago | 0

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Answered
Why I can't sent emails with Matlab Analysis? (Having error 429).
See Error Codes. 429 is too many requests. You can see the limits on the send alert page in the limitations section. I recco...

4 years ago | 0

Answered
ThingSpeak Communications Library - how to read multiple fields with one fetch
The latest version of the library supports multiple reads! See this post.

4 years ago | 0

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Things Stack (TTN v3) howto write lorawan message information to ThingSpeak stream
Right now that data is not available directly from the ThingSpeak integration. We will consider it an enhancement request, than...

4 years ago | 0

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Channel

Shake
Shake Data station=RF23B

4 years ago

Answered
Can I use One ESP32 Device to update 2 ThingSpeak Channels?
Yes you can but the code you wrote wont do it. I would start with the ThingSpeak library for Arduino, ESP8266 and ESP32. Use t...

4 years ago | 1

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Answered
Daily average of a temperature
You can use the pencil icon on the top of the ThingSpeak plot to make the timeScale Daily. Also, you can write the output fro...

4 years ago | 0

Discussion

New IoT Hardware (Magicbit) that helps you get your data in ThingSpeak.
I recently found some interesting hardware in a <https://www.hackster.io/magicbit0/connect-your-magicbit-esp32-to-thingspeak-7b6...

4 years ago | 2

Answered
How to insert a .m file from matlab into ThinkSpeak matlab?
You can run a MATLAB file that does not produce a visual output in the MATLAB analysis app. For visualization outputs, use the ...

5 years ago | 1

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Daily sum in bar chart is wrong
I tried this in one of my channels and it seems to work fine. I wonder if there is something different about your data. Can yo...

5 years ago | 0

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Answered
New User Thingspeak data
Can either of you share your channel ID if they are public? Then we can have a look at the data you are sending and see what is...

5 years ago | 0

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Bar Graph legend & x axis
This looks like an interesteing application. Can you tell us more about what you are monitoring?

5 years ago | 0

Discussion

Congratulations to our new top posters on the ThingSpeak Community!
<https://www.mathworks.com/matlabcentral/profile/authors/3943849?s_tid=tbc_thingspeak_to_profile R SRIRANJANI RAMAKRISHNAN> is ...

5 years ago | 2

Discussion

ESP32 support for MATLAB
Are you using ESP32 and want to help us develop functionality for it? We are looking to add support for ESP32 boards in MATLAB. ...

5 years ago | 2

Discussion

ThingSpeak and Things Stack for LoRaWan Connected Devices
ThingSpeak includes an integration with The Things Stack to support collection of data over a long range network. I made a shor...

5 years ago | 1

Answered
Getting -401 error code when using WritingMulitpleFields
There are two calls to writefields in your code, I don't see a delay between them. I see a delay at the end of 20 seconds. I wo...

5 years ago | 1

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Answered
Raspberry Pi - MQTT Publish & MQTT Subscribe- Updating Multiple Fields In one MQTT publish request and vice versa
Your message needs to be of the form 'field1=value&field2=value2' etc. If you use the update single field topic instead of the ...

5 years ago | 0

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Sometimes not receiving email alerts from Thingspeak
See the limitations section on the send alerts page. The resrictions can be a bit tight especially when you are debugging. If ...

5 years ago | 1

Answered
My public channel signs me out and I have to login every time I view my public channel.
We aplogize for the inconvienience. Please see this post for more information. Public View is no longer public

5 years ago | 0

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Sometimes not receiving email alerts from Thingspeak
You can look at your alerts history here, but it does not record failed attempts. I suggest that you can change your MATLAB ode ...

5 years ago | 0

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Answered
how to read channel status using thingSpeakRead in Matlab?
Our up time is really high, there is no reason the channel should be unavailable. Can you show the format of the command you ar...

5 years ago | 0

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Answered
Login is required for public chanals
Please have a look at this discussion.

5 years ago | 0