The application shows actual and recorded informations provided by a webserver. The actual data is displayed in a standard view or a graphical view. The graphical view displays svg which can be downloaded from a webserver. You can create and import your own svg’s. The recorded informations are displayed in graph view.
Primary this application is part of a smart home project for temperature monitoring with the ESP32. Have a look at the project page https://www.diy-temperature-logger.com
The appication can also be used for your own diy sensor monitoring project. The application fetch the actual and recorded data with two requests from a http webserver. For debugging purpose the app can display parsing errors of the interface.

Interface of actual data:
http://simu.diy-temperature-logger.com/config
1;esp-simulation;0.9;2018/11/20 11:46:23;33
1;721E;53.37;WWLVL;7;0;0;977
1;E4F6;23.27;KWZL;12;2;0;845
1;5364;66.4;WWVL;7;0;0;134

Interface of recorded data:
http://simu.diy-temperature-logger.com/file?y=2018&m=12&d=09&id=5364
00:01;47.25
00:02;47.38
0:03;48.13

The free demo can only access the webserver http://simu.diy-temperature-logger.com
In the standard application you can configure the webserver and fetch your own data. It is possible to fetch data from up to eight hosts.