How to add more mqtt sensors in configuration.yaml?

Configuration
1

I have several mqtt topics that need to be shown separately in HA.
First sensor is a temperature sensor, this one is defined directly in configuration.yaml:

# Loads default set of integrations. Do not remove.
default_config:

# Load frontend themes from the themes folder
frontend:
  themes: !include_dir_merge_named themes

automation: !include automations.yaml
script: !include scripts.yaml
scene: !include scenes.yaml
  
mqtt:
  sensor:
    - name: "Zolder Temperature"
      state_topic: "home/thermostat/current_temperature"
      unit_of_measurement: "°C"
      device_class: temperature
      unique_id: "zolder_temp"

The second set of sensors that feed mqtt is from my weather station. All these sensors are grouped together in a separate yaml file that resides in a directory called mqtt and listens to the name weather_sensors.yaml. Contents (part of) are like this:

- name: "Weerstation temperatuur"
  unique_id: "weather_temp"
  force_update: true
  state_topic: "rtl_433/Vevor-7in1/11564"
  value_template: "{{ value_json.temperature_C }}"
  unit_of_measurement: "°C"
  
- name: "Weerstation Relatieve luchtvochtigheid"
  unique_id: "weather_hum"
  force_update: true
  state_topic: "rtl_433/Vevor-7in1/11564"
  value_template: "{{ value_json.humidity }}"
  unit_of_measurement: "%"
  
- name: "Weerstation UV"
  unique_id: "weather_uv"
  force_update: true
  ....

It should be possible to include this file in configuration.yaml using:

!include mqtt/weather_sensors.yaml

but I can’t seem to find the right syntax for this.
So, I guess what I’m trying to do is to mix direct mqtt configuration with a file full of mqtt settings,

Is this even possible ?
Or do I need a different approach, e.g. put all sensor related configs into (in this case) two files, and include them both (maybe using !include_dir_list) ?

Thanks

2

It doesn’t know they are mqtt sensors because the second group does not have the mqtt: and sensor: key like the first one.

Also be sure the file is in the path you state:

3

I do something like this in my configuration.yaml:

mqtt:
  sensor: !include_dir_merge_list mqtt/sensors/
  lock: !include_dir_merge_list mqtt/locks/
  binary_sensor: !include_dir_merge_list mqtt/binarysensors/
  switch: !include_dir_merge_list mqtt/switches/

this way you can add multiple sensor yaml files in the same folder.