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zkornz on Error using thingspeakwrite command in a MATLAB

I am very impressed what thingspeak cloud service do but now, I can't solve the problem with running matlab code that ask for waiting the 15 second although I put the delay(45) up and down the...

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zkornz on Error using thingspeak command in a matlab program

I am very impressed what thingspeak cloud service do but now, I can't solve the problem with running matlab code that ask for waiting the 15 second although I put the delay(45) up and down the command....

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rw950431 on Send data from ThingSpeak to ESP8266

You use the same AT commands but a different URL Please see the documentation at https://au.mathworks.com/help/thingspeak/get-channel-field-feed.html to construct a URL to read data. If you want to...

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zkornz on Error using thingspeakwrite command in a MATLAB

Please help me guys. T_T

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Hans on Error using thingspeakwrite command in a MATLAB

Thanks for the comment. I will try and find someone to help you as soon as possible. Thanks. 

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7asson93 on ESP8266 sending voltage readings to thingspeak

Hello,  I'm trying to send voltage data to thingspeak, there are tons of tutorial using the DHT sensor, but I'm trying to send a normal voltage reading from the ESP8266 GIPO 2 to thingspeak.  I'm...

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irproject on Send data from ThingSpeak to ESP8266

Thank you very much!  You helped me a lot.

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Adarsh_Murthy on Error using thingspeakwrite command in a MATLAB

Hi,  A channel on thingSpeak can be updated at the fastest rate of once every 15 seconds (free account) or once every 1 second (paid account). This limit is enforced even if multiple independent...

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DeYulia on Cannot connect to ThingSpeak

I'm unable to connect and post data to my ThingSpeak channel.  Data being sent from ESP8266-01S module, using WiFi to access internet.  I can send data to Google Sheets, but not to ThingSpeak....

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cstapels on Cannot connect to ThingSpeak

You might consider trying your HTTP request in POSTMAN first, just to get the syntax correct.  I think the issue is in this section: if (client.connect(server, 80)) { // "184.106.153.149" or...

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Linaa on How to connect NFR8001 to a microcontroller?

Hi, I would like to connect NFR8001 to a Renesas microcontroller but I could not find any documentation on how to proceed with this step. The only documentation I could find is how to connect NFR8001...

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eddie84 on 2 DS18B20 on NodeMCU

Hi I wrote this code to run two DS18B20 probes on the NodeMCU, with a probe the system works perfectly but with two probes I have difficulty. You can help me? #include <ESP8266WiFi.h> #include...

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rw950431 on 2 DS18B20 on NodeMCU

What difficulty are you having?  Wont compile?  Runs but doesnt send anything?  Sends wrong data?  Your code looks OK  (I dont think you need OneWire oneWire2(ONE_WIRE_BUS2); but its not used) up until...

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TheFossil on ESP8266 and ARDUINO IDE

Hi I'm new to this forum and very confused / bewildered. I was excited to find what I thought to be a simple way to log data via the internet. The ESP8266 looked very promising (and simple?).   I've...

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rw950431 on ESP8266 and ARDUINO IDE

It is quite normal to generate that kind of code size.  The Arduino interface is basically an emulator built on top of the expressif SDK so the code is not that efficient.  I suspect that you could...

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Hondo on Use of "thingSpeakWrite" command from Matlab

Dear all, if I using the "thingsSpeakWrite" command, I always get the error message "Undefined variable "matlab" or class "matlab.net.URI" Do I need an additional package/toolbox?

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eddie84 on 2 DS18B20 on NodeMCU

The code above is completely wrong. I wrote another and it works correctly. Now I wanted to know if there is the ability to send notifications by telegram or email when a temp == value rw950431 said...

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Adarsh_Murthy on Use of "thingSpeakWrite" command from Matlab

Hi,  Thanks for reporting this issue. ThingSpeakWrite does not require any additional packages or toolboxes other than ThingSpeak Support Toolbox. To help us investigate this issue further, could you...

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rw950431 on 2 DS18B20 on NodeMCU

Check out the React thinkspeak app to do that kind of thing on the thingspeak side- there is a built-in twitter interface. I dont know about telegram but I wrote a little piece about my experiences...

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Hondo on Use of "thingSpeakWrite" command from Matlab

Hi Adarsh, thank for your fast reply. The output of the command "ver" entered in the command window is as follows:...

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