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Content Feed
Http post json to thingspeak from Arduino using GPRS via GSM module
My guess on the five entries limit is the size of the data buffer used in your communication library. (either the arduino or the...
3 dagen ago | 0
Why is nothing happening when I upload csv file in ThingSpeak?
To import data into ThingSpeak from a csv file, the format is very specific. Here is a doc page that describes the process. Ther...
6 dagen ago | 0
| accepted
I cant create channels
There was a short outage that may have effected newly signed up users. The issue was fixed shortly after this post.
10 dagen ago | 0
thingspeak values for real time data of my IOT weather station are displaying as zero.
In the upload() section, I would suggest you try hard coding values instead of value_1, etc. Like this ThingSpeak.writeField(Ch...
10 dagen ago | 0
Can I Send a Image to Thingspeak from Mobile device via any app(suggest a way)
I reccomend using MATLAB mobile. Here is an example to capture an image from the camera. Then save your file and it will be a...
10 dagen ago | 0
| accepted
MQTT subscription via Nodered connected but no data
The MQTT subscription service was purged and restarted today just after 1 p.m, and is now working as expected. No messages sent ...
13 dagen ago | 0
| accepted
MQTT subscription via Nodered connected but no data
We had a reset of the system on Friday. Can you please try again and let us know if you are still having this issue today?
13 dagen ago | 0
TimeControl (ThingSpeak) stopped running
TimeControls are working fine as of May 8 12:45 UTC. If you continue to see missing TimeControls, please comment here.
20 dagen ago | 1
| accepted
How i can change time zone on graphics in MATLAB?
Here is one suggestion: https://www.mathworks.com/support/search.html/answers/499985-change-matlab-visualization-timezone.html?...
20 dagen ago | 0
| accepted
Bulk update with thingSpeakWrite to a specified field
myDates=datetime(2023,1,1):days(1):datetime(2023,1,10) nullVec=string.empty(10,0); myNums=1:10; myTimeTable=table(myDates',nu...
24 dagen ago | 0
| accepted
Cannot get arduino voltage data to upload to Thingspeak
The Uno R3 cannot make HTTP requests without an ethernet or wifi connection. It is not able to send those requests through a USB...
24 dagen ago | 0
Bulk update with thingSpeakWrite to a specified field
Make your data table with the first four columns of null values.
24 dagen ago | 0
Erorr in MATLAB code
I think it is related to the special characters in the field names. Thank you for reporting this, we will look into it further....
24 dagen ago | 2
| accepted
The page is showing login successfull, but it's not showing my channels option in the channels page
Thanks all for reporting. We will look into the issue and post here when we have a solution. EDIT A fix has been submitted an...
24 dagen ago | 1
I can't open a channel
We are aware of this issue and working on a fix. Please watch this MATLAB answer for updates when we have them.
24 dagen ago | 0
Widgets doesn´t display any values
You are using a comma as a decimal seperator. I'm sorry but ThingSpeak thinks that is string text, and is not converting it to ...
25 dagen ago | 0
| accepted
websend does not transfer data to my thingspeak channel
Have you been able to update your channel using the web browser address bar? You can find the write data fromat on the api keys...
25 dagen ago | 0
| accepted
The page is showing login successfull, but it's not showing my channels option in the channels page
Thanks all for reporting. We will look into the issue and post here when we have a solution.
25 dagen ago | 1
The page is showing login successfull, but it's not showing my channels option in the channels page
You may have to review you cookie resrictions. MathWorks login does require some for login. Did this effect start recently? Ca...
26 dagen ago | 0
The page is showing login successfull, but it's not showing my channels option in the channels page
Can you try logging in on a different device or system? If that is successful, I recommend you sign out (on the original system ...
26 dagen ago | 0
Process an image sent to Thingspeak
Right now the data is in an area that is not publicly accessible. We are working to develop the capacity to read the data into a...
27 dagen ago | 0
Where is storage image data on Thingspeak?
Right now the data is in an area that is not publicly accessible. We are working to develop the capacity to read the data into a...
27 dagen ago | 0
storing data on Thinkspeak
Are you writing from a device or from an instance of MATLAB? From a device, you should use the write data APIor MQTT publish....
ongeveer een maand ago | 0
Widgets doesn´t display any values
The widget isnt showing any value because the value of field1 in your channel is null. When you write only to field 2 in an upd...
ongeveer een maand ago | 0
Connect vibration sensor to synchronous machine
There is a ThingSpeakWrite block available in Simulink. You can use this directly from a model or you can deploy it to hardware ...
ongeveer een maand ago | 0
| accepted
Delta PLC to Thingspeak Interfacing
If your PLC has an internet conntection, you can use the HTTP Rest API for write data or you can write with MQTT publish via the...
ongeveer een maand ago | 0
No connection. Micro:bit IoT kit to Thingspeak
Do you know anyway to expose what the steps in the make code or the ESP firmware are doing? I know how to connect an ESP8266 di...
ongeveer een maand ago | 0
https://api.thingspeak.com/channels/<channel_id>/bulk_update.json
The format requirements for bulk update are farily complex. Have you followed all the steps in the bulk write documentation exa...
ongeveer 2 maanden ago | 0
How can I Deploy Thingspeak?
Each device should have its own channel. You can use the method I described above if you want the device to create a channel, o...
ongeveer 2 maanden ago | 0
Setting x axis to 8 hours
I would consider creating a custon MATLAB visualization where you can fix the x axis use xlim( [ begin end]). Alternatively, yo...
ongeveer 2 maanden ago | 0