A Shelly relay can be activated based on inverter power or battery status

Modifications
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1

I want to activate a Shelly 1pm relay using node red and mqtt when several conditions of the inverter and the mppt
I need a heater to be activated when consumption is less than 1500w and the battery soc is 80 and the mppt has a production greater than 1000w

2

Do you have node red experience?

3

I’m starting to use node red

4

I just wanted to confirm you have the Shelley 1pm not the 1PM plus. They work vastly differently.

There is an old thread to work through. Very informative.

5

I’m planning to buy Shelly 1pm Mini Gen3