Answered
Matlab Drive, almacenamiento de imagen de thingspeak.
At present, you can only read the latest image using the image widget on your channel view. Deleting the image channels on Thin...

5 maanden ago | 0

Answered
Can ThingSpeak be a good platform for Digital twin? What are the specifications?
Yes, ThingSpeak can be used as an easy to set up digital twin platform. You can find the specifications in the documentation.

5 maanden ago | 1

Answered
ThingSpeak: The uploaded file was not imported because it is missing timestamps.
I used the data you provided and was able to upload it sucessfully to one of my channels created_at,field1,field2,field3,status...

5 maanden ago | 0

Answered
Field 1 Chart Options
Thank you for reporting this issue. We are aware of the problem and are working to fix this issue. I plan to report any change...

5 maanden ago | 1

Answered
Graphics show line chart irrespectively of selecting e.g. column
Thank you for reporting this issue. We are aware of the problem and are working to fix this issue. I plan to report any change...

5 maanden ago | 0

| accepted

Answered
hey, I'm new to this. so the lamp indicator in ThingSpeak is showing "Field not available". It was working fine few days back but not now.
Generally this means the field is inactive or has no data to read. Try using the read last entry api https://api.thingspeak.com...

6 maanden ago | 0

Answered
what does the message "cacheableLookup ENOTFOUND api.thingspeaks.com" in the Particle photon webhook means?
You added an extra 's' to the end of ThingSpeak, that may be the issue. Particle has a pretty active community, I would ask the...

6 maanden ago | 0

Answered
Does Thingspeak MQTT broker allow retain?
The publish channel page says you need to set retain to 0. I think that means retain is not supported, Im sorry.

6 maanden ago | 0

Answered
Error 401 while writing feild to channel from ESP32 WROOM 32
401 is unauthorized, it means you have the wrong api and channel id combo. Use your browser window to update your channel to ma...

6 maanden ago | 0

Answered
i can't see the data updating in thingspeak but only 1 field can be update in thingspeak and other 3 or not updationg only once it has been update 4 fields. In serialmonitor s
You are using the single write function, you should use the multiple fields write syntax. In your code, you are writing four se...

6 maanden ago | 1

| accepted

Answered
ESP8266 trouble connecting to api.thingspeak.com, but it's weird
Also answered here.

7 maanden ago | 0

Answered
ESP8266 connection issues but
I've seen ESP8266 with long connection times of 10-15 s, but nothing quite like what you see. I know you have the MQTT devices ...

7 maanden ago | 0

Answered
How to prevent gauges and graphs to move when scrolling?
If its really important, I would suggest you host them in an iframe on another site. The scrolling behavior is sometimes odd on...

7 maanden ago | 0

Answered
How do I use "export recent data"
You can use the Read data endpoint with .csv extension. Make sure all the fields on your channel are active in the channel sett...

7 maanden ago | 0

Answered
Sending out email when event occurs not on some interval
Definitely! Use the React app. You can check the data on a regular schedule (kinda like time control) or use 'on data insert' ...

7 maanden ago | 0

Answered
Valor de campo no disponible
Here are a few things I notice about your code. You run this line in the setup function, im not sure why. ThingSpeak.setFie...

7 maanden ago | 0

Answered
how should I take a screenshot of a matlab visualization and send it to myself by email?
You could use the charts API to send a particular field chart. You wont get the custome MATLAB visualizations this way though. ...

8 maanden ago | 0

Answered
How can I use my Arduino Uno R4 WiFi with ThingSpeak?
I found one example using WiFiS3.h.

8 maanden ago | 0

Answered
Project Guidance Questions. A water level and rain fall system
Sound terrific. Please let us know how it goes. There is a discussions area in the ThingSpeak community if you wated to have a...

8 maanden ago | 0

Answered
I keep getting the Compilation error: call of overloaded 'setField(int, double&)' is ambiguous when setting fields in my TS channel
Try setting the value first in this line: ThingSpeak.setField(2, double(PH_LEVEL)); e.g. double myLevel=double(PH_LEVEL); T...

8 maanden ago | 0

Answered
How can I use my Arduino Uno R4 WiFi with ThingSpeak?
You can absolutely write to ThingSpeak with an Uno R4 wifi. You can use any wifi library (its probably built in) that lets you w...

8 maanden ago | 0

Answered
Visualization NOT showing last values collected.
The 'updated at' on the my channels view is not guaranteed to be totally up to date, it is only an estimate. The most accurate ...

8 maanden ago | 0

Answered
how to remove HTTP error 301 while sending data from nodemcu esp8266 to thingspeak
301 error is connectivity. You can Try a different network, or move your device in the present network closer to the router ...

8 maanden ago | 0

Solved


Find sum of alternate numbers in a vector
Find sum of alternate numbers in a vector starting from index 1

9 maanden ago

Solved


Generate this matrix
Generate the following matrix. n = 2; out = [-4 -3 -2 -1 0 -3 -2 -1 0 1 -...

9 maanden ago

Answered
Display Thing-Speak's charts in my MATLAB app.
Click the cloud icon on your ThingSpeak play. Copy the html starting with '<iframe width=...' Open app designer. Type 'html' ...

9 maanden ago | 0

| accepted

Solved


Getting the indices from a vector
This is a basic MATLAB operation. It is for instructional purposes. --- You may already know how to <http://www.mathworks....

9 maanden ago

Answered
ThingSpeak public image display
I have similar workflows for two of my projects. For one, I upload to dropbox using this function to upload. Then you can use ...

10 maanden ago | 2

| accepted

Answered
Visualisation iOS App availablility
Apparently you can use the share button in safari on iphone to put a page on the home screen of you iphone! I just did it for m...

10 maanden ago | 0

Answered
Visualisation iOS App availablility
I usually use the browser on my phone to interact with ThingSpeak, I can see most of what I need to there. In some cases, Ive w...

10 maanden ago | 0

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