Answered
Can't export all channel's feed from Thinsgspeak - HTTP time out error 504
This is a known problem and we are developing a fix. In the meantime, you can use the read data API call to read up to 8000 poi...

6 years ago | 1

Answered
how to write to a ThingSpeak field from an iphone
If I understand what you would like to do, the REST API is exactly what you need. Click the API keys tab on your channel view...

6 years ago | 0

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Answered
How do I get Field_ID in Thingspeak?
Field ID's are numeric 1-8. The label for the fields can be seen if you read https://api.thingspeak.com/channels/<channel_id>...

6 years ago | 1

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Answered
ESP8266 Wifi error code -301
For simplicity, perhaps you could try to write single field example in the thingSpeak library under esp8266. Im a big fan of th...

6 years ago | 0

Answered
Thingspeak "data export" button not working
We are able to reproduce this issue and we are working on a fix. In the meantime, if you need access to the data from this chan...

6 years ago | 0

Answered
How to add a timestamp to body?
You should also be able to call the THingHTTP with React and the replacement key will work. So have the device write data (for ...

6 years ago | 0

Answered
Reading from Thingspeak: Daily averages are easy. How do I get a monthly average?
I also like the look of your result. But I am afraid that it makes a bunch of API requests to the server in a big burst. Its f...

6 years ago | 1

Answered
mqtt via ESP8266 connected but not subscribing
You can have up to three simultaneous MQTT connections with a free license. Thanks for posting that you got it working again.

6 years ago | 1

Answered
mqtt via ESP8266 connected but not subscribing
The mqtt server should reset the count when your devces disconnect, though there may be a short delay. Are you still having thi...

6 years ago | 1

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Answered
ThingSpeak Communications Library - how to read multiple fields with one fetch
Yes its on the enhancement request list, but unfortunately has been for some time. I hope it isnt too much longer.

6 years ago | 0

Answered
Thingspeak "data export" button not working
If your channel is public, can you share the channel number so someone else can try it? Are you sure there is data in the chann...

6 years ago | 0

Answered
Getting -310 error on simple MathWorks ThingSpeak get temperature example
I got a -301 error when I didnt have the Ethernet cable plugged in, but now it is working fine on an arduino Uno with ethernet S...

6 years ago | 0

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Answered
Getting -310 error on simple MathWorks ThingSpeak get temperature example
What hardware you are using? We will try to reproduce the error. EDIT I am sttempting to verify the error with an arduino Uno w...

6 years ago | 0

Answered
Reading from Thingspeak: Daily averages are easy. How do I get a monthly average?
There are built in template codes to help you develop MATLAB code. If you go to the MATLAB analysis or MATLAB Visualizations ap...

6 years ago | 0

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Answered
Channel ID doesn't matter during upload data
You are correct. It is better for security reasons to provide both the API key and channel ID. Additionally it makes tracking yo...

6 years ago | 0

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Answered
How to add a timestamp to body?
Yes this is the expected behavior. As described above, you need to call the thingHTTP with TimeControl or React to use the date...

6 years ago | 0

Answered
How to add a timestamp to body?
What time would you want to see in the response? I would have guessed you want to see the time it was called. It might help fo...

6 years ago | 0

Answered
How to test for thing speak plugin using user input's?
Can you rephrase your question? It does not seem to be clear what you are asking.

6 years ago | 0

Answered
How to add a timestamp to body?
Can you take screen shots of the thingHTTP and TimeControl settings? Make sure you blur out the api keys if you want to keep th...

6 years ago | 0

Answered
How to add a timestamp to body?
You need to trigger the request with a TimeControl or React. I just tested it with a TimeControl, I'm sure I've tested with a R...

6 years ago | 0

Answered
how to export data in time range using thingspeak?
You can see the documentation for the read data API call. There is a dateRange parameter you can use. Just be extra careful a...

6 years ago | 0

Answered
Bulk upload working on arduino. But thingspeak graph update only shows last data entry, unless i refresh the page
ThingSpeak plots on your channel view should update in the interval defined in the plot settings (as fast as 15 seconds I think)...

6 years ago | 0

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Answered
How to change state of a message to be true or false in jquery?
Perhaps you could try this jquery forum? Are you trying to chnage the status field in your channel feed? if so have a look at ...

6 years ago | 0

Answered
assign variable for the data read from channel
If you have a time control set for a specific time, that should take care of the running at a specific time. You could probably...

6 years ago | 1

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Answered
Unable to post to Thingspeak channel
Have you had this account for several years? If so you probably would have recieved am email with instructions about how to ren...

6 years ago | 0

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Answered
Unable to post to Thingspeak channel
GET https://api.thingspeak.com/update?api_key=KYY2MERT251RV2OM&field1=111 That would be the format to try if those are truly th...

6 years ago | 0

Channel

COVID-19 Statistics
8 countries of COVID-19 data, updated daily from: https://github.com/pomber/covid19

6 years ago

Solved

Finding Perfect Squares
Given a vector of numbers, return true if one of the numbers is a square of one of the other numbers. Otherwise return false. E...

6 years ago

Solved

Return area of square
Side of square=input=a Area=output=b

6 years ago

Solved

Maximum value in a matrix
Find the maximum value in the given matrix. For example, if A = [1 2 3; 4 7 8; 0 9 1]; then the answer is 9.

6 years ago