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Plotting problem in MATLAB ONLINE
Can you log out, log back in and try it out?
9 dagen ago | 0
Update/replace channel value?
The data in a ThingSpeak channel is a time series. Think of a value in the field as a measurement made at a certain point in tim...
ongeveer een maand ago | 1
Has anybody managed to talk to ThingSpeak on an Arduino R 4 (wifi)?
Please try updating the ThingSpeak library in Arduino IDE to the latest (v2.1.0). It has been tested with the Uno R4 and the Ras...
ongeveer een maand ago | 0
ThingsSpeak not receiving data from The Things Stack
My recommendation is to reach out to Elsys for a working example. They have access to the sensors and, considering you have paid...
2 maanden ago | 1
| accepted
data not getting on my channel without manual pasting of url
I'd recommend starting from one of the examples in the ThingSpeak library.
3 maanden ago | 0
Why does ThingSpeak return "0" when more than one data point is routed?
A zero response value is definitely the server rejecting the point. As a paid user a channel can be updated at a rate of up to...
3 maanden ago | 0
Usin Thingspeak to control a remote device?
Hello @Giovanni - there are a couple of ways you can use ThingSpeak to control a device. Use the Talkback app. Here's an examp...
3 maanden ago | 0
| accepted
How to fetch and visualise live data from thingspeak fields in Matlab app designer
My recommendation is: 1) Build your app with MATLAB App Designer with the gauges and lamp indicators. 2) On ThingSpeak set up...
6 maanden ago | 1
| accepted
Issue with TimeControls getting stuck
We'll take a look on the back end why these Time Control got stuck. Typically when I have seen this, it is because something has...
6 maanden ago | 0
Thingspeak now unable to parse website
I can't access the URL from the public internet in the US. I believe this to be the reason the ThingSpeak servers can't get to t...
7 maanden ago | 0
error while using Things Speak with Cube MX
If you want to use the ThingSpeak library from your STM Nucleo board, I believe you will need to get these files in your compile...
8 maanden ago | 0
MATLAB ANALYSIS run Successfully on ThingSpeak, BUT always generates Server Error 500, so doesn't send email
Here's the code I used to test an alert email. % Send ThingSpeak Alert alertURL = "https://api.thingspeak.com/alerts/send"; ...
8 maanden ago | 0
Thingspeak - no reading data error code 0
I believe the key is here "...updating the library with WifiS3.h rather than Wifi.h." My guess is the WiFiS3 library is not exac...
8 maanden ago | 1
Not receiving data from mqtt broker in a public channel
My guess is the public channel has not seen an update since your client connected to it. I just created a public channel (266275...
8 maanden ago | 0
Channel
Test MQTT subscribe
This is a public channel that gets an update with a value [0-10] in Field1 at least every 10 minutes. You can subscribe to this ...
8 maanden ago
thingspeak server closing connection immediately
Are you able to publish/subscribe to the channel updates from a different client such as MQTTX ? If that works, I would suggest ...
9 maanden ago | 0
Problem connecting reliably to Thingspeak over Ethernet
As you say, a 301/302 from the ThingSpeak library suggests network connectivity issues. Try using a different WiFi network to se...
10 maanden ago | 0
can I use custom libraries (dlls) written for matlab with Thingspeak
If you have the DLLs and MATLAB code calling those DLLs in a git repo, you could have your MATLAB Analysis on ThingSpeak clone t...
10 maanden ago | 1
| accepted
Read and Write in one scatch
Yes. You can combine the examples of reading and writing to have a sketch that reads data from one channel and writes to another...
11 maanden ago | 0
why my esp8266 push data to ThingSpeak will always hit -301 response code
As Christopher says, a 301 typically means your device does not have Internet connectivity.
11 maanden ago | 0
Message usage reset anniversary date?
It is the anniversary date of you signing up to ThingSpeak. So, if you first created your account on Jul 10,2023, for example, y...
11 maanden ago | 1
| accepted
I am unable to connect MQTT client using Thingspeak in MATLAB.
I believe you are using an older version of MATLAB. You need to use MATLAB R2022a or newer and have a license to the Industrial ...
bijna 3 jaar ago | 0
| accepted
How to download the root certificate from thingspeak.com? I am unable to locate the root certificate that is required to set up the thingspeak broker.
Here are instructions on how you can download the certificate for any website. For ThingSpeak MQTT broker, you can download the ...
bijna 3 jaar ago | 3
| accepted
Cant view my data on thingspeak app
I recommend starting with the example here as a starting point for your code. The ThingSpeak library on Github is to help users ...
bijna 3 jaar ago | 0
Connection between Codesys and Thingspeak
From our server logs it looks like the publish and subscribe topics are invalid. Codesys seems to convert the "/" character in t...
bijna 3 jaar ago | 0
want to download files from dropbox to a local computer using websave
The MATLAB function on FileExchange is a pure MATLAB solution and does not require you to write Dropbox apps. Please install the...
bijna 3 jaar ago | 0
How much data it can store for how long
Please take a look at the ThingSpeak license FAQ that answers your questions.
ongeveer 3 jaar ago | 0
I want to know MQTT API Key
Please read the <https://www.mathworks.com/help/thingspeak/channels-and-charts-api.html documentation> and examples on how to us...
ongeveer 3 jaar ago | 0
Thingspeak 301 Error with NodeMCU (ESP8266) [writing to multiple channels]
I believe this is because of DNS caching somewhere on your end. See this thread for information. Also see this thread, which get...
ongeveer 3 jaar ago | 0
| accepted
