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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' ...

2 years ago | 0

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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...

2 years ago | 0

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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. ...

2 years ago | 0

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

2 years ago | 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...

2 years ago | 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...

2 years ago | 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...

2 years ago | 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 ...

2 years ago | 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 ...

2 years ago | 0

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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' ...

2 years ago | 0

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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 ...

2 years ago | 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...

2 years ago | 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...

2 years ago | 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...

2 years ago | 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 ...

2 years ago | 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...

2 years ago | 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...

2 years ago | 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...

2 years ago | 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...

2 years ago | 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...

2 years ago | 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 ...

2 years ago | 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...

2 years ago | 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...

2 years ago | 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...

2 years ago | 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...

2 years ago | 0

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

2 years ago | 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...

2 years ago | 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...

2 years ago | 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.

2 years ago | 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...

2 years ago | 0