sensor:
  - platform: bme280_i2c
    i2c_id: i2c_bus         # shared bus declared in display.yaml — GPIO8 SDA / GPIO9 SCL
    address: 0x76            # BME280 default; try 0x77 if SDO is pulled high
    update_interval: 30s
    temperature:
      name: "Ambient Temperature"
      id: bme280_temperature
    humidity:
      name: "Ambient Humidity"
      id: bme280_humidity
    pressure:
      name: "Ambient Pressure"
      id: bme280_pressure