spi:
  - id: spi_sn74hc595
    clk_pin: 16
    mosi_pin: 17
    miso_pin: 15

sn74hc595:
  - id: sn74hc595_hub
    clock_pin: 12
    data_pin: 13
    latch_pin: 14
    oe_pin: 18
    sr_count: 2
  - id: sn74hc595_hub_2
    latch_pin: 21
    oe_pin: 22
    spi_id: spi_sn74hc595
    type: spi
    sr_count: 2

switch:
  - platform: gpio
    name: SN74HC595 Pin 0
    pin:
      sn74hc595: sn74hc595_hub_2
      number: 0
      inverted: false