pcf8574:
  - id: 'pcf_1'
    address: 0x21
    pcf8575: true
    i2c_id: bus_b
  - id: 'pcf_2'
    address: 0x20
    pcf8575: true
    i2c_id: bus_b 

switch:
    
  - platform: gpio
    id: relay_1
    name: "Relay_01"
    pin:
      pcf8574: pcf_1
      # Use pin number 0
      number: 15
      mode:
        output: true
      inverted: true
  - platform: gpio
    id: relay_2
    name: "Relay_02"
    pin:
      pcf8574: pcf_1
      # Use pin number 1
      number: 14
      mode:
        output: true
      inverted: true
      
  - platform: gpio
    id: relay_3
    name: "Relay_03"
    pin:
      pcf8574: pcf_1
      # Use pin number 2
      number: 13
      mode:
        output: true
      inverted: true
      
  - platform: gpio
    id: relay_4
    name: "Relay_04"
    pin:
      pcf8574: pcf_1
      # Use pin number 3
      number: 12
      mode:
        output: true
      inverted: true
      
  - platform: gpio
    id: relay_5
    name: "Relay_05"
    pin:
      pcf8574: pcf_1
      # Use pin number 4
      number: 11
      mode:
        output: true
      inverted: true
      
  - platform: gpio
    id: relay_6
    name: "Relay_06"
    pin:
      pcf8574: pcf_1
      # Use pin number 5
      number: 10
      mode:
        output: true
      inverted: true

  - platform: gpio
    id: relay_7
    name: "Relay_07"
    pin:
      pcf8574: pcf_1
      # Use pin number 6
      number: 9
      mode:
        output: true
      inverted: true
      
  - platform: gpio
    id: relay_8
    name: "Relay_08"
    pin:
      pcf8574: pcf_1
      # Use pin number 7
      number: 8
      mode:
        output: true
      inverted: true

  - platform: gpio
    id: relay_9
    name: "Relay_09"
    pin:
      pcf8574: pcf_2
      # Use pin number 0
      number: 15
      mode:
        output: true
      inverted: true
      
  - platform: gpio
    id: relay_10
    name: "Relay_10"
    pin:
      pcf8574: pcf_2
      # Use pin number 1
      number: 14
      mode:
        output: true
      inverted: true
  
  - platform: gpio
    id: relay_11
    name: "Relay_11"
    pin:
      pcf8574: pcf_2
      # Use pin number 2
      number: 13
      mode:
        output: true
      inverted: true
      
  - platform: gpio
    id: relay_12
    name: "Relay_12"
    pin:
      pcf8574: pcf_2
      # Use pin number 3
      number: 12
      mode:
        output: true
      inverted: true
      
  - platform: gpio
    id: relay_13
    name: "Relay_13"
    pin:
      pcf8574: pcf_2
      # Use pin number 4
      number: 11
      mode:
        output: true
      inverted: true
      
  - platform: gpio
    id: relay_14
    name: "Relay_14"
    pin:
      pcf8574: pcf_2
      # Use pin number 5
      number: 10
      mode:
        output: true
      inverted: true
      
  - platform: gpio
    id: relay_15
    name: "Relay_15"
    pin:
      pcf8574: pcf_2
      # Use pin number 6
      number: 9
      mode:
        output: true
      inverted: true
      
  - platform: gpio
    id: relay_16
    name: "Relay_16"
    pin:
      pcf8574: pcf_2
      # Use pin number 7
      number: 8
      mode:
        output: true
      inverted: true
    
  - platform: gpio
    id: relay_17
    name: "Relay_17"
    pin:
      pcf8574: pcf_1
      # Use pin number 15
      number: 0
      mode:
        output: true
      inverted: true

  - platform: gpio
    id: relay_18
    name: "Relay_18"
    pin:
      pcf8574: pcf_1
      # Use pin number 14
      number: 1
      mode:
        output: true
      inverted: true
      
  - platform: gpio
    id: relay_19
    name: "Relay_19"
    pin:
      pcf8574: pcf_1
      # Use pin number 13
      number: 2
      mode:
        output: true
      inverted: true
      
  - platform: gpio
    id: relay_20
    name: "Relay_20"
    pin:
      pcf8574: pcf_1
      # Use pin number 12
      number: 3
      mode:
        output: true
      inverted: true
      
  - platform: gpio
    id: relay_21
    name: "Relay_21"
    pin:
      pcf8574: pcf_1
      # Use pin number 11
      number: 4
      mode:
        output: true
      inverted: true
      
  - platform: gpio
    id: relay_22
    name: "Relay_22"
    pin:
      pcf8574: pcf_1
      # Use pin number 10
      number: 5
      mode:
        output: true
      inverted: true
      
  - platform: gpio
    id: relay_23
    name: "Relay_23"
    pin:
      pcf8574: pcf_1
      # Use pin number 9
      number: 6
      mode:
        output: true
      inverted: true
      
  - platform: gpio
    id: relay_24
    name: "Relay_24"
    pin:
      pcf8574: pcf_1
      # Use pin number 8
      number: 7
      mode:
        output: true
      inverted: true
      
  - platform: gpio
    id: relay_25
    name: "Relay_25"
    pin:
      pcf8574: pcf_2
      # Use pin number 15
      number: 0
      mode:
        output: true
      inverted: true
      
  - platform: gpio
    id: relay_26
    name: "Relay_26"
    pin:
      pcf8574: pcf_2
      # Use pin number 14
      number: 1
      mode:
        output: true
      inverted: true
      
  - platform: gpio
    id: relay_27
    name: "Relay_27"
    pin:
      pcf8574: pcf_2
      # Use pin number 13
      number: 2
      mode:
        output: true
      inverted: true
      
  - platform: gpio
    id: relay_28
    name: "Relay_28"
    pin:
      pcf8574: pcf_2
      # Use pin number 12
      number: 3
      mode:
        output: true
      inverted: true
      
  - platform: gpio
    id: relay_29
    name: "Relay_29"
    pin:
      pcf8574: pcf_2
      # Use pin number 11
      number: 4
      mode:
        output: true
      inverted: true
      
  - platform: gpio
    id: relay_30
    name: "Relay_30"
    pin:
      pcf8574: pcf_2
      # Use pin number 10
      number: 5
      mode:
        output: true
      inverted: true
      
  - platform: gpio
    id: relay_31
    name: "Relay_31"
    pin:
      pcf8574: pcf_2
      # Use pin number 9
      number: 6
      mode:
        output: true
      inverted: true
      
  - platform: gpio
    id: relay_32
    name: "Relay_32"
    pin:
      pcf8574: pcf_2
      # Use pin number 8
      number: 7
      mode:
        output: true
      inverted: true