# Home Assistant configuration.yaml entry sensor: - platform: serial serial_port: /dev/ttyV0 baudrate: 9600 name: weather_sensor - platform: template sensors: temperature: value_template: '{{ states.sensor.weather_sensor.attributes["temperature"] | round(2)}}' friendly_name: Temperature soba unit_of_measurement: "°C" humidity: value_template: '{{ states.sensor.weather_sensor.attributes["humidity"] | round(2)}}' friendly_name: Humidity soba unit_of_measurement: "%RH" pressure: value_template: '{{ states.sensor.weather_sensor.attributes["pressure"] | round(2)}}' friendly_name: Pressure soba unit_of_measurement: "hPa" shell_command: toggle_backlight: /bin/bash -c "echo -n -e 'T' >> /dev/ttyV0"