question

nico van haastrecht avatar image
nico van haastrecht asked

How can I build or import......in my Cerbo....

....a Summing node, in order to sum the three actual line power values,

so I can send out a MQTT value,

to control and provide my external boiler-heating with excess sun power?


Node-RED
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1 Answer
derrick thomas avatar image
derrick thomas answered ·

This already exists. Use dbus-spy or a mqtt explorer to find the path you want. Combined values are available for input and output power.

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