Hello
is it possible to program my esp8266 so that I can upload the data to a website so that I can read it from anywhere, i.e. not only when I am connected to the same wifi but also, for example, when I am on the move and then want to read the data via mobile data, i.e. access the website.
Thanks in advance.
Sure, one of the popular ways to do this is to create a php web page with a MySQL/MariaDB backend and have the ESP8266 upload its data into the database. There's a convenient library for creating direct TCP connections from an ESP to MariaDB; I used it in a test setup for a while and it worked very nicely. It doesn't matter where the website and database are hosted as long as the ESP can reach it from the network it's connected to.
@sawell, your topic has been moved to a more suitable location on the forum.
The tutorial , Arduino to Arduino via Serial, includes an example of how to publish the results on a web page using an ESP8266 or ESP32.
Just skip the Arduino to Arduino stuff and look at the Displaying Mega2560 Data on a web page hosted by the ESP8266 example.
In particular the ESP8266CSVWebpage_fromMega2560.zip which contains the webpage and the data processing to fill it.
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