How to publish mqtt 3phase pzem to LCD?

ESPHome
1

Hello
How to SUM (3x Amp/Watts value to one;3Phase PZEM) and push to LCD

I know how to push one tasmota sensor value to tasmota LCD.
But i dont know how to Yaml and push.

service: mqtt.publish
data:
qos: 0
retain: false
topic: cmnd/tasmota_11F056/displaytext
payload: >
[z] [y0]Dnevna : {{states.sensor.tasmota_ds18b20_1_temperature_2.state}} C
[y1] Zunaj : {{states.sensor.tasmota_ds18b20_2_temperature_2.state}} C

2

You can can consult the docs on www.esphome.io and read about your display and the mqtt subscribe component. They have extensive yaml examples for your convinence!

If you still have troubles show what you got and try to format your yaml as explained in how to ask a good question .