## Helpful links
- https://docs.circuitpython.org/projects/minimqtt/en/latest/examples.html
- [how to use settings.toml](https://learn.adafruit.com/circuitpython-octoprint-controller-and-monitor/create-your-settings-toml-file)
- [adafruit-circuitpython-esp32spi docs](https://docs.circuitpython.org/projects/esp32spi/en/latest/)
- [pico pinout](https://pico.pinout.xyz/)
- [home assistant mqtt guide](https://www.home-assistant.io/integrations/mqtt/#testing-your-setup)
- [home assistant device classes](https://www.home-assistant.io/integrations/sensor/#device-class)

## Home assistant debugging

homeassistant/sensor/balcony_weather_station/test_bme_280
homeassistant/sensor/balcony_weather_station/test_bme_280
{
  "name": "BEM 280 Temperature",
  "device_class": "temperature",
  "unit_of_measurement": "°C",
  "value_template": "{{ value_json.temperature}}",
  "state_topic": "homeassistant/sensor/balcony_weather_station/test_bme_280/state",
  "unique_id": "balcony_weather_station_bme_280_test_temperature",
  "device": {
    "identifiers": "balcony_weather_station_001",
    "name": "Balcony Weather Station"
  }
}

homeassistant/sensor/balcony_weather_station/test_bme_280/state
{ "temperature": 23.20, "humidity": 50 }

{
  "name": "BEM 280 Humidity",
  "device_class": "humidity",
  "unit_of_measurement": "%",
  "value_template": "{{ value_json.humidity}}",
  "state_topic": "homeassistant/sensor/balcony_weather_station/test_bme_280/state",
  "unique_id": "balcony_weather_station_bme_280_test_humidity",
  "device": {
    "identifiers": "balcony_weather_station_001",
    "name": "Balcony Weather Station"
  }
}