Read data from a Victron Multiplus Inverter and graph it in Grafana. It uses the MK3-USB dongle connected to the VE.Bus of the Multiplus. These scripts are intended to be used with: https://github.com/BarkinSpider/SolarShed/
Alternatively, a set-up for this is documented here for both Raspberry Pi and plain Debian or derivatives: https://diysolarforum.com/ewr-carta/data_communication/