Humidifier control 0-10V

Configuration
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1

Hi,

I have sensor - sensor.multi_sensor, this is humidity sensor (0-100%) in room. And light.qubino_goap_zmnhvdx_flush_dimmer_0_10v_level_14 (0-255) - this is Qubino dimmer 0-10V (connected to humidity control 0-10V).

I want to do automation:
trigger:
value sensor.multi_sensor change
action:
set light.qubino_goap_zmnhvdx_flush_dimmer_0_10v_level_14 = (sensor.multi_sensor * 255/100)

How to write it right?

- alias: Humidity
  trigger:
    platform: state
    entity_id: sensor.multi_sensor
  action:
    service: light.turn_on
    entity_id: light.qubino_goap_zmnhvdx_flush_dimmer_0_10v_level_14
    ?
2

How often does that sensor change? You sure you don’t want to limit how often this happens?

You want to set what exactly to that state? The brightness?

- alias: Humidity
  trigger:
    # Will trigger on ALL state and attribute changes if you don't specify a state
    platform: state
    entity_id: sensor.multi_sensor
  action:
    service: light.turn_on
    data_template:
      entity_id: light.qubino_goap_zmnhvdx_flush_dimmer_0_10v_level_14
      # get the value of the sensor.multi_sensor (which is also this trigger).
      # convert it to an int, then multiply by 255 and divide by 100 to convert it to 0-255 range. 
      # Finally, round the output to the nearest whole number by converting it to an int again.
      brightness: "{{ ((states(trigger.entity_id) | int * 255 ) / 100) | int }}"
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