https://gist.github.com/oquno/d07f6dbf8cc760f2534d9914efe79801 の JSON を Home Assistant に取り込む config

rest.yaml

resource: http://RASPI/sensor.json
method: GET
scan_interval: 30
sensor:
  - name: UD CO2
    unique_id: ud1_co2
    value_template: "{{ value_json.stat.co2ppm }}"
    unit_of_measurement: "ppm"
    state_class: measurement
    device_class: carbon_dioxide
  - name: UD Humidity
    unique_id: ud1_humidity
    value_template: "{{ value_json.stat.humidity }}"
    unit_of_measurement: "%"
    state_class: measurement
    device_class: humidity
  - name: UD Temperature
    unique_id: ud1_temperature
    value_template: "{{ value_json.stat.temperature }}"
    unit_of_measurement: "℃"
    state_class: measurement
    device_class: temperature