Answered
Postman Thingspeak Error 400 & Thinkspeak not updating the data
The bulk write API can be kind of tricky when it comes to syntax. Follow the bulk write doc suggestions closely. There is a P...

7 maanden ago | 1

| accepted

Answered
Not getting reading multiple senaors data from thingspeak
I'd start by trying to write one data from the ESP. Just hard code something and make sure it writes to ThingSpeak. Take all th...

7 maanden ago | 0

Answered
can not upload data to thingspeak even while the data is displaying in serial moniter
What are you seeing on the serial monitor? I think the problem is that you are stopping the client before the server acknowlege...

7 maanden ago | 0

Answered
Write to Thingspeak Error in Matlab - URL is incorrectly formed
The most likely reason is that the timestamps already exist in your channel. You cannot write data with a timestamp that alread...

7 maanden ago | 0

Answered
ThingSpeak Communication Library for Arduino with ESP8266
Those pins would be defined by your board properties, not by the ThingSpeak library. It seems that the standard is GPIO1 (TX) a...

8 maanden ago | 0

Answered
Can I list more than 10 private channels?
We are addressing the problem and will release a fix in a future release. As a temporary workaround, add '&per_page=100' to the...

8 maanden ago | 1

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Answered
Controlling an LED with the Pi 4 using ThingSpeak MQTT subscribe.
I havent looked at the python doc for subscribe. Where do you set the client ID? If this is it, you will want to use a differe...

8 maanden ago | 0

| accepted

Answered
Controlling an LED with the Pi 4 using ThingSpeak MQTT subscribe.
I would look at the MQTT troubleshooting page for subscribe. It is possible that you have settings in your client that the Thin...

8 maanden ago | 0

Answered
Thingspeak broker address not working
The mqtt broker gives really limited messages. If you had parts of the format wrong for the subscribe method, it will probably ...

8 maanden ago | 0

| accepted

Answered
Thingspeak broker address not working
It is working great across all of my many channels, I did not see a break near the time you posted this. What command did you t...

8 maanden ago | 0

Answered
API - Inconsistency with Curl, when downloading a .csv of my channel
You can get all the correct API calls from the Read data section of the documentation. The API limits you to only 8000 points of...

8 maanden ago | 0

Answered
ThingSpeak : Read & Write Multiple Field
Can you describe the data flow a bit more? "in MATLAB Simulink via ThingSpeak Cloud from MIT APP Inventer Application " What ...

9 maanden ago | 2

Answered
PID in ThingSpeak code
I'd suggest you have a look at the MATLAB onramp. Its a two hour introduction to MATLAB fundamentals, I think you would find it ...

9 maanden ago | 0

Answered
Can't get thingSpeak to display data
You are sending the string value "ctcurrent" to ThingSpeak, in your querry string parameters (not the value of the variable). Y...

9 maanden ago | 0

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Answered
Thingspeak : From a few days ago, I can't display more than about 38Hrs
What is your update rate for that channel? The maximum number of points you can read in a single plot is 8000. Except in limite...

9 maanden ago | 0

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Answered
thingspeak - Any way to disable "Transfer-Encoding: chunked"?
Are you sending a very large command to your device? The talkback response should be quite small. We cannot change the encoding...

9 maanden ago | 0

| accepted

Problem


Find the worst traffic yesterday

10 maanden ago | 1 | 10 solvers

Solved


Cell joiner
You are given a cell array of strings and a string delimiter. You need to produce one string which is composed of each string fr...

10 maanden ago

Answered
Help with basics - cant even copy data to another field
Timestamps in a channel must be uniqiue. Once written, you cannot edit a feed. A feed is the collection of a timestamp and t...

10 maanden ago | 0

Answered
Writing Multiple Fields with My API Key and DHT11
Do you need the Uno to take your data? I would reccomend directly programming the ESP to conenct and write to thringspeak (usin...

10 maanden ago | 0

Answered
How can I delete channels in Thingspeak Webside if i do not need them anymore, some channels for testinh made.
Click on the channel settings tab Scroll to the bottm and you will see choices to clear and delecte the channel. Clear will r...

10 maanden ago | 0

Answered
ESP8266 help -- serial port data is showing data from sensor. Thinkspeak only receiving lines of zero data points.
I reccomend the ThingSpeak library for Arduino. You can use it to program an ESP 8266. You will likely get better error mesages...

10 maanden ago | 1

Answered
How to upload an array of numbers to a single field in Thingspeak?
Here is one possibility. thingSpeakWrite(958725, 'Fields', 1, 'Values', join(string(x)), 'WriteKey', writeKey) or y = "[ 1 2 ...

10 maanden ago | 0

Answered
ThingSpeak Channel Table Error
I suggest using a timetable. The uitable element is really not right for ThingSpeak. dataTimeTable = ... thingSpeakRead(c...

11 maanden ago | 0

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Answered
ThingSpeak with LoRa32u4
ThingSpeak has an integration with TheThingsNetwork. You can add an integration in a Things Network application that automatica...

11 maanden ago | 0

Answered
Thingspeak http error 400 for fpga
Can you modify the length to include the line endings? This has been a problem for me in the past when using AT commands. If a...

11 maanden ago | 0

Answered
i need to get the last entry of things speak using MIT app inventor and use it to determine if my microcontroller is turned off or not sending data to internet
Does your Arduino send updates at regular intervals? You could read the last two or three data points and compare the time inte...

11 maanden ago | 0

Channel


Environmental Monitor
Indoor Air Quality monitor

12 maanden ago

Solved


The Hitchhiker's Guide to MATLAB
Output logical "true" if the input is the answer to life, the universe and everything. Otherwise, output logical "false".

12 maanden ago

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