2. Analyze and visualize the data with MATLAB.
3. Trigger a reaction.
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https://thingspeak.com/
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To update/report the status/value at Thingspeak:
https://www.mathworks.com/help/thingspeak/writedata.html;jsessionid=ef2f9dc54bc015e2696bc0e4c2bb?requestedDomain=true
"Write Data With GET
You can use your web browser to complete GET HTTP requests to the RESTful API for ThingSpeak™.
Copy the URL to the address bar of your web browser, changing <your_user_api_key> to your user API Key, which is found in Account > My Profile.
https://api.thingspeak.com/update.json?api_key=<your_user_api_key>&field1=123
The response is a JSON object of the public channel list, as shown in the response section."
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How to perform GET Requests using the ESP8266:
https://techtutorialsx.com/2016/07/17/esp8266-http-get-requests/
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Example of how to use Thingspeak with ESP8266:
http://nothans.com/measure-wi-fi-signal-levels-with-the-esp8266-and-thingspeak
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Post Temperature Data and Read from Channel:
https://www.mathworks.com/help/thingspeak/read-and-post-temperature-data.html
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My ThingSpeak Channel which records the temperature and humidity in my apartment: