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Content Feed
How to use use app designer to get the first data of any field in ThingSpeak
Heve a look at the read last field api endpoint.The returned data includes the timestamp. To use the API in app designer, use w...
7 días hace | 0
How to clear all data of one field in ThingSpeak in app designer
There are no selective delete operations available. You can download the data, clear the channel and re-upload the data of inter...
7 días hace | 0
No connection. Micro:bit IoT kit to Thingspeak
Can you try updating your channel with your browser address bar? Use the format shown on the API keys tab of your channel. Th...
15 días hace | 0
Analyzing sensor data on ThingSpeak through the MATLAB Analysis.
You can use the Alerts API to create an alert based on a condition you calculate in MATLAB code.After you apply the bandpass fil...
19 días hace | 0
No connection. Micro:bit IoT kit to Thingspeak
You seem to have no delay between requests. This will result in you continuously querying the ThingSpeak server, and eventually ...
20 días hace | 0
Why sometimes daily average shows wrong values?
Two major casues of this are blank values in your field data and timezones. I would have a look at your data using the read API...
20 días hace | 0
Two accounts simultaneously on the same computer?
Can you tell us more about what you are using multiple licenses for? According the the licensing FAQ, multiple free account...
27 días hace | 0
How to display two ThingSpeak dashboard channel widgets, one from actual data input, and the other calculated.
You can use 'on data insert' react to use MATLAB to translate and write to the other channel each time the original channel is u...
alrededor de 1 mes hace | 0
MQTT publish to Thingspeak with a JSON payload
Two ways to automatically trigger code: React (on Data insert) TimeControl (group data processed since last job)
alrededor de 1 mes hace | 0
| aceptada
IoT Data Explorer for ThingSpeak and MATLAB
The app was made assuming you have a relatively continuous data stream. Your data is very sparse with respect to time. I was abl...
alrededor de 1 mes hace | 0
| aceptada
JSON Bulk Write to ThingSpeak Channel, 401 Unauthorized Error
It seems that ThingSpeak is not understanding your API key. This example for an RPI uses python. Does your code look similar? ...
alrededor de 1 mes hace | 0
MQTT publish to Thingspeak with a JSON payload
You are correct that ThingSpeak requires you to have the specific format fieldx= in your payload. You can see all the correct p...
alrededor de 1 mes hace | 0
Data is sent but not update
Is seems that you are building the url but never sending it to ThingSpeak. This would explain why neither method works. I wou...
alrededor de 2 meses hace | 0
| aceptada
Data is sent but not update
We suggest using the ThingSpeak library for Arduino, when you can. The next thing I would suggest is to see if you can update...
alrededor de 2 meses hace | 0
How can I add multiple data from arduino to one field on Thingspeak?
Field plots are the automatic plots that show unmoderated field data. You cannot do multiple series on a field plot. You can a...
alrededor de 2 meses hace | 0
How do I set time for my channel?
When in ThingSpeak (not here in the community), click your avatar in the upper right, and select "My Profile". There is a setti...
alrededor de 2 meses hace | 0
| aceptada
Data isn't showing up in the channel
Can you try this code on you pi for the REST API? Do you get a value in your channel? import requests import threading ...
alrededor de 2 meses hace | 0
Help with Matlab Analysis Thingspeak script
Sorry to leave you hanging for so long. I would just get the last value (why do you need the last 3 values? % my suggestion l...
2 meses hace | 1
| aceptada
my project graph is not showing in my channel
We reccomend using the ThingSpeak library for arduino and ESP. It will take care of a lot of problems for you. First, however ...
2 meses hace | 0
Sonoff TH16 - Collect data
Yes, you can use the developer API mode in sonoff to read data and send it to ThingSpeak. You will need some program that can ac...
2 meses hace | 1
Hi, may i know. how to set the update value to thingspeak server from every 3min to every 12hour ? from my iot devices.
The data comes from the device, so you can chage the update frequency on the device, unless the data is coming from some other w...
2 meses hace | 0
Making MQTT data visible in ThingSpeak
If the data is not ingested into your channel, there is not a file to see what data was sent. If the data is ingested into your...
2 meses hace | 0
unable to sign on to thingspeak
Can you try a fresh browser (or perhaps incognito) or a different computer? You may also have to clear cookies associated with ...
3 meses hace | 0
j'ai un probleme de surveillance mes grandeurs sur thingspeak
There are very many examples on the wild web search sim800L and ThingSpeak, im sorry to say we do not yet have such an example i...
3 meses hace | 0
Recover from backup.
To clarify, the OP was asking about historical data in ThingSpeak. There is no backup of the data, but you can read the data fo...
3 meses hace | 0
How can I display a label on the x-axis without removing the timestamp for ThingSpeak?
It appears that there is no timestamp on the x axis for the plot you shared. There appears to be a legend at the bottom that alm...
3 meses hace | 0
| aceptada
exportar datos en CSV
You can use the web interface to export a CSV file of all your data on the import export tab of your channel view. You can also...
4 meses hace | 0
Resuelto
Find nth maximum
Find nth maximum in a vector of integer numbers. Return NaN if no such number exists. x = [2 6 4 9 -10 3 1 5 -10]; So ...
4 meses hace
Reading large amount of entries from a channel starting with some date
I recommend choosing your daterange to read below the limit (say 5000 entries) then you can have a well determined output each t...
4 meses hace | 0