Now that we’ve identified our daily CO2 footprint: How to display it?
#1: directly with OpenHab – called HabPanel
If you use OpenHab2 already, it doesn’t need any programming. Just click and select the variables (=items in OpenHab2) that you like to display. Tons of manuals exist, a nice one in German language can be found here
Hints for newcomers:
Openhab displays graphics only, if you add the item to the configuration file: „rr4dj.persist“ like