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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

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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

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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

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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

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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

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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

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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

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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

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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' ...

plus de 2 ans il y a | 0

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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....

plus de 2 ans il y a

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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 ...

plus de 2 ans il y a | 2

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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...

presque 3 ans il y a | 0

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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...

presque 3 ans il y a | 0

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Has anybody managed to talk to ThingSpeak on an Arduino R 4 (wifi)?
If you want to go without the library, this example shows how to write the HTTP commands somewhat directly without the ThingSpea...

presque 3 ans il y a | 0

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Showing data from different channels on a map
MATLAB visualization plots in ThingSepak can do some of this, but you wont be able to get the interactivity you are looking for ...

presque 3 ans il y a | 0

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Maximum number of fields per channel in ThingSpeak
@Abbas You can definitely get help here on MATLAB Answers or oh theThingSpeak community. If you have an academic or commercial l...

presque 3 ans il y a | 0

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How to send notifications to Pushbullet via Thingspeak
Yes. Pushbullet has a developer API. You can use MATLAB analysis app to write MATLAB code to communicate with the PushBullet ap...

presque 3 ans il y a | 0

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It seems that data is not recorded
There was a short downtime for ThingSpeak on July 19 from approximentally 6 am UTC until 10am. You can always see the present s...

presque 3 ans il y a | 0

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how to send data from excel sheet to thingspeak automatically
Probably the best way would be to use MATLAB installed on your machine. You can use ThingSpeak write and automate a process in...

presque 3 ans il y a | 0

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Data loss and latency issues from Node Red to ThingSpeak channel.
The most likely cause of lost data is sending too fast. If you are using a free account or using the bulk write endpoint, the mi...

presque 3 ans il y a | 0

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Is it possible for the public user to extract all the data?
Also here is the API call for read data documentation. use the parameters for results or days or minutes, daterange to control ...

presque 3 ans il y a | 0

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Setting up Thingspeak on a Raspberry Pi as a local server
Unfortunately, MathWorks does not support the installation of the self hosted version of ThingSpeak. That version was created be...

presque 3 ans il y a | 0

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MQTT clientID, USER and Password
Have a look at the MQTT API page. The MQTT basics pageshows you the parameters you need as well as the publish and subscribe pag...

presque 3 ans il y a | 0

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I am un unable to select a field when creating an image widget, what can i do?
If you have a student, commercial, or academic ThiingSpeak license, you can create an image channel. The image channels you cre...

presque 3 ans il y a | 0

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esp8266 isn't reading or writing on the field
If your connection is failing, that would explain why you aren't getting the correct values. One thing I have found with the ESP...

presque 3 ans il y a | 0

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thingsspeak license vs matlab license
Have a look at this MATLAB answer.

presque 3 ans il y a | 0

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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...

environ 3 ans il y a | 0

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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...

environ 3 ans il y a | 0

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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.

environ 3 ans il y a | 0

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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...

environ 3 ans il y a | 0