Respondida
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...

más de 5 años hace | 0

Discussion

How many fields is enough?
Right now ThingSpeak supports up to 8 fields of data plus the status and three position fields. If you could have more fields, h...

más de 5 años hace | 2

Respondida
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...

más de 5 años hace | 0

Discussion

Change your auto generated user name
Did you know you can change your user id? We went through a short time where everyone was auto assigned a long user id with 'mwa...

más de 5 años hace | 3

Respondida
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...

más de 5 años hace | 0

Respondida
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...

más de 5 años hace | 1

Respondida
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 ...

más de 5 años hace | 0

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

más de 5 años hace | 0

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

más de 5 años hace | 0

Respondida
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...

más de 5 años hace | 0

Respondida
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...

más de 5 años hace | 0

Canal

Environmental Monitor
Indoor Air Quality monitor

más de 5 años hace

Resuelto

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".

más de 5 años hace

Resuelto

Pizza!
Given a circular pizza with radius _z_ and thickness _a_, return the pizza's volume. [ _z_ is first input argument.] Non-scor...

más de 5 años hace

Respondida
last_entry_id
I suggest that this is not the most viable method. There could be unexpected ways that last_entry_id does not always behave a...

más de 5 años hace | 0

Respondida
Change User ID or Delete Thingspeak Account
You can now update your user name. When logged in to your Mathworks account (or logged into ThingSpeak) select My profile under...

más de 5 años hace | 1

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Respondida
last_entry_id
Can you describe why you need the last_entry_id? It is not recommended to be used for the reasons you mention (rollover, finite...

más de 5 años hace | 0

Respondida
How do I create a bar chart?
Use ThingSpeakRead to get your data, i reccomend a timetable: channelID=12397; data = thingSpeakRead(channelID,'Fields',[1,4],...

más de 5 años hace | 0

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Respondida
First implementation of ThingSpeak, not every write is registered, pls look at my code
The free license is limited to one update per 15 seconds in a given channel. If you are updating different fields in the same c...

más de 5 años hace | 1

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Respondida
thing speak site not taking the values from the web site
It looks like you are using ThingHTTP. The website may have changed, or there may be parts of it that have dynamic content. If ...

más de 5 años hace | 0

Resuelto

Missing five
Convert decimal numbers to a base-9 notation missing the digit *5* <<http://www.alfnie.com/software/missing5.jpg>> Too man...

más de 5 años hace

Resuelto

Times 2 - START HERE
Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...

más de 5 años hace

Canal

walk Test

más de 5 años hace

Discussion

Remote Learning IoT Projects with ThingSpeak and MATLAB
One great thing about IoT projects is they are connected to the internet, and that creates an opportunity to collaborate at a di...

más de 5 años hace | 5

Canal

TankBattery

más de 5 años hace

Respondida
Read database from cloud-storage (dropbox or onedrive) to Thingspeak
I used dropbox for the image on this channel. Here is the MATLAB visualization code. If you are using Dropbox, the key part i...

más de 5 años hace | 0

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Respondida
Display the result of Matlab workspace in Thingspeak
You can use the MATLAB visualizations app to generate this visualization. Write your data to two consecutive fields in a channe...

más de 5 años hace | 0

Respondida
error connecting to the server MQTT
Are you cereating a unique user name, or using the same one every time?

más de 5 años hace | 0

Respondida
Configure header and connection address.
The headers and connection address seem correct. I might take the ZZ out of "content-type". You can see more information at th...

más de 5 años hace | 0

Canal

Brood Temp
saxony

casi 6 años hace