Works with Victron Energy ESS

Subscribe to a local MQTT broker and make energy data available on a Modbus server

sml_smartmeter --> MQTT broker --> em24 <-- Victron

Thanks to https://github.com/stephane/libmodbus

apt install libmodbus5 libmodbus-dev

cp em24.service /etc/systemd/system/
systemctl enable em24.service
systemctl start em24.service