Réponse apportée
I cannot get column display in standard graph
See this post now and in the future for updates.

environ 2 ans il y a | 0

Réponse apportée
How to delete all data of a channel are older than a date using a request.
There is not an API command to selctively delete specific points. You can clear all channel data at once with the API and with ...

environ 2 ans il y a | 0

Réponse apportée
how to send and receive text/string data automatically in IoT page?
ThingSpeak treats most data as strings until you try to plot or do math with them, so you should be fine with your special chara...

environ 2 ans il y a | 0

Réponse apportée
receive and export data at the same time
I think your questions are fundamentally programming questions, they dont have much to do with ThingSpeak exactly. I reccomend ...

environ 2 ans il y a | 1

| A accepté

Réponse apportée
Redirecting you back to the application, Thingtweet and twitter
ThingTweet is no longer operational as a result of X / Twitter API v1.1 deprecation.

environ 2 ans il y a | 1

| A accepté

Réponse apportée
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...

environ 2 ans il y a | 0

Réponse apportée
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.

environ 2 ans il y a | 1

Réponse apportée
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...

environ 2 ans il y a | 0

Réponse apportée
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...

environ 2 ans il y a | 1

Réponse apportée
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...

environ 2 ans il y a | 0

| A accepté

Réponse apportée
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...

environ 2 ans il y a | 0

Réponse apportée
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...

environ 2 ans il y a | 0

Réponse apportée
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.

environ 2 ans il y a | 0

Réponse apportée
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...

environ 2 ans il y a | 0

Réponse apportée
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...

environ 2 ans il y a | 1

| A accepté

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

environ 2 ans il y a | 0

Réponse apportée
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 ...

environ 2 ans il y a | 0

Réponse apportée
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...

environ 2 ans il y a | 0

Réponse apportée
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...

environ 2 ans il y a | 0

Réponse apportée
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' ...

environ 2 ans il y a | 0

Réponse apportée
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...

plus de 2 ans il y a | 0

Réponse apportée
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. ...

plus de 2 ans il y a | 0

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

plus de 2 ans il y a | 0

Réponse apportée
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...

plus de 2 ans il y a | 0

Réponse apportée
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...

plus de 2 ans il y a | 0

Réponse apportée
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...

plus de 2 ans il y a | 0

Réponse apportée
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 ...

plus de 2 ans il y a | 0

Réponse apportée
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 ...

plus de 2 ans il y a | 0

A résolu

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

plus de 2 ans il y a

A résolu

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

plus de 2 ans il y a