RPI-Flask-SQLite
Capturing real data (RPi/DHT22), saving them on a database (SQLite), creating graphs (Matplotlib) and present them on a web page(Flask).
The complete project can be found on:
https://www.hackster.io/mjrobot/from-data-to-graph-a-web-jorney-with-flask-and-sqlite-4dba35
and
https://www.instructables.com/id/From-Data-to-Graph-a-Web-Jorney-With-Flask-and-SQL/