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Content Feed
Data is sent but not update
We suggest using the ThingSpeak library for Arduino, when you can. The next thing I would suggest is to see if you can update...
3 days ago | 0
How can I add multiple data from arduino to one field on Thingspeak?
Field plots are the automatic plots that show unmoderated field data. You cannot do multiple series on a field plot. You can a...
5 days ago | 0
How do I set time for my channel?
When in ThingSpeak (not here in the community), click your avatar in the upper right, and select "My Profile". There is a setti...
6 days ago | 0
| accepted
Data isn't showing up in the channel
Can you try this code on you pi for the REST API? Do you get a value in your channel? import requests import threading ...
8 days ago | 0
Help with Matlab Analysis Thingspeak script
Sorry to leave you hanging for so long. I would just get the last value (why do you need the last 3 values? % my suggestion l...
14 days ago | 1
| accepted
my project graph is not showing in my channel
We reccomend using the ThingSpeak library for arduino and ESP. It will take care of a lot of problems for you. First, however ...
14 days ago | 0
Sonoff TH16 - Collect data
Yes, you can use the developer API mode in sonoff to read data and send it to ThingSpeak. You will need some program that can ac...
14 days ago | 1
Hi, may i know. how to set the update value to thingspeak server from every 3min to every 12hour ? from my iot devices.
The data comes from the device, so you can chage the update frequency on the device, unless the data is coming from some other w...
14 days ago | 0
Making MQTT data visible in ThingSpeak
If the data is not ingested into your channel, there is not a file to see what data was sent. If the data is ingested into your...
17 days ago | 0
unable to sign on to thingspeak
Can you try a fresh browser (or perhaps incognito) or a different computer? You may also have to clear cookies associated with ...
28 days ago | 0
j'ai un probleme de surveillance mes grandeurs sur thingspeak
There are very many examples on the wild web search sim800L and ThingSpeak, im sorry to say we do not yet have such an example i...
1 month ago | 0
Recover from backup.
To clarify, the OP was asking about historical data in ThingSpeak. There is no backup of the data, but you can read the data fo...
1 month ago | 0
How can I display a label on the x-axis without removing the timestamp for ThingSpeak?
It appears that there is no timestamp on the x axis for the plot you shared. There appears to be a legend at the bottom that alm...
2 months ago | 0
| accepted
exportar datos en CSV
You can use the web interface to export a CSV file of all your data on the import export tab of your channel view. You can also...
2 months ago | 0
Solved
Find nth maximum
Find nth maximum in a vector of integer numbers. Return NaN if no such number exists. x = [2 6 4 9 -10 3 1 5 -10]; So ...
2 months ago
Reading large amount of entries from a channel starting with some date
I recommend choosing your daterange to read below the limit (say 5000 entries) then you can have a well determined output each t...
2 months ago | 0
Is MQTT functionality implemented for 3rd party applications?
Theindustrial communication toolbox includes MQTT interfaces. ThingSpeak maintains an MQTT broker that you can interact with to...
2 months ago | 0
| accepted
Clearing channel data not working
The database schedules the delete job as a background task, occasionally you might get behind a flood of other requests. Still,...
2 months ago | 0
How to add a widget for talkback in the my channel section along with incoming sensor data visualizations?
You can use the plugins app to add javascript that will make a button that sets a channel value. You will be able to use the p...
2 months ago | 0
Thingspeak MQTT connectivity with LoRa
All the MQTT settings are here at the MQTT API page in the help. You will need an MQTT device and a channel, you can see how to...
2 months ago | 0
Solved
Determine whether a vector is monotonically increasing
Return true if the elements of the input vector increase monotonically (i.e. each element is larger than the previous). Return f...
2 months ago
How to use thingspeak in online simulator of arduino like tinkercad and wokwi?
This https://www.mathworks.com/help/thingspeak/prototyping-with-sonar-proximity-sensor.htmlexample of a proximity monitor shows ...
3 months ago | 0
Cannot create a new channel.
We worked with Neil and got him going again. He had an expired commercial trial. They can be extended or restarted but you nee...
3 months ago | 0
Thingspeak unit - 24 messages every same minute
If each device has its own channel, you can upload all messages in the same second. If you have a home or student unit, you are...
3 months ago | 0
How to write to thingspeak channel from thinghttp?
If your ThingHTTP is interacting with an external website, you can rewrite it in MATLAB analysis using webread or webwrite. The...
3 months ago | 0
| accepted
Access to Image Channels with academic licence
I suspect you mean that you have a campus wide license or academic MATLAB license. ThingSpeak paid licenses are in addition to ...
3 months ago | 1
Is Arduino Ethernet Shield R3 supported?
Can you use the thingSpeakRead and thingSpeakWrite blocks?
3 months ago | 0
Is multifield update counted as one message or multiple?
See the licensing FAQ, question 4. And the answer to your question is one.
3 months ago | 0
How can i add Econometrics Toolbox to thingspeak
You will need to use the same MathWorks account for your ThingSpeak work as for the desktop. ThingSpeak will take care of looki...
3 months ago | 0