output:
  - platform: gpio
    id: out_21
    pin:
      pcf8574: pcf_left
      number: 4
      mode:
        output: true
      inverted: true

  - platform: gpio
    id: out_22
    pin:
      pcf8574: pcf_left
      number: 5
      mode:
        output: true
      inverted: true