Copy the `env_file` to `.env` and open it. Complete all environment variables:
-`MQTT_[SERVER/PORT/USER/PASSWORD/CLIENT_ID]` are used to connect with the broker.
-`MQTT_TOPIC_PREFIX` define the prefix for all topics with sensor info.
-`MQTT_TELE_PREFIX` is used to publish the sensor data, like battery or status.
-`MQTT_SENSOR_NAME` contains the sensor name, useful to split the telemetry data if you have more than one sensors.
-`MQTT_PUBLISH_DELAY` specify, in seconds, how many time should wait since the script take the measurements to publish in the broker
-`MIJIA_BTLE_ADDRESS` constant with the BLE address of your Mijia device.. This can be retrieved activating the pairing mode in the sensor and scanning the BT devices