Generate Relay Config For ESPHome per https://www.gpmidi.net/node/163

00 Generate.py

for i in range(1,17):
    print(f'''  - platform: gpio
    name: "Relay #{i}"
    pin:
      sn74hc595: sn74hc595_hub_0
      # Use pin number {i-1}
      number: {i-1}
      inverted: false''')

01 Example Switch Configuration.yaml

switch:
  - platform: gpio
    name: "Relay #1"
    pin:
      sn74hc595: sn74hc595_hub_0
      # Use pin number 0
      number: 0
      inverted: false
  - platform: gpio
    name: "Relay #2"
    pin:
      sn74hc595: sn74hc595_hub_0
      # Use pin number 1
      number: 1
      inverted: false
  - platform: gpio
    name: "Relay #3"
    pin:
      sn74hc595: sn74hc595_hub_0
      # Use pin number 2
      number: 2
      inverted: false
  - platform: gpio
    name: "Relay #4"
    pin:
      sn74hc595: sn74hc595_hub_0
      # Use pin number 3
      number: 3
      inverted: false
  - platform: gpio
    name: "Relay #5"
    pin:
      sn74hc595: sn74hc595_hub_0
      # Use pin number 4
      number: 4
      inverted: false
  - platform: gpio
    name: "Relay #6"
    pin:
      sn74hc595: sn74hc595_hub_0
      # Use pin number 5
      number: 5
      inverted: false
  - platform: gpio
    name: "Relay #7"
    pin:
      sn74hc595: sn74hc595_hub_0
      # Use pin number 6
      number: 6
      inverted: false
  - platform: gpio
    name: "Relay #8"
    pin:
      sn74hc595: sn74hc595_hub_0
      # Use pin number 7
      number: 7
      inverted: false
  - platform: gpio
    name: "Relay #9"
    pin:
      sn74hc595: sn74hc595_hub_0
      # Use pin number 8
      number: 8
      inverted: false
  - platform: gpio
    name: "Relay #10"
    pin:
      sn74hc595: sn74hc595_hub_0
      # Use pin number 9
      number: 9
      inverted: false
  - platform: gpio
    name: "Relay #11"
    pin:
      sn74hc595: sn74hc595_hub_0
      # Use pin number 10
      number: 10
      inverted: false
  - platform: gpio
    name: "Relay #12"
    pin:
      sn74hc595: sn74hc595_hub_0
      # Use pin number 11
      number: 11
      inverted: false
  - platform: gpio
    name: "Relay #13"
    pin:
      sn74hc595: sn74hc595_hub_0
      # Use pin number 12
      number: 12
      inverted: false
  - platform: gpio
    name: "Relay #14"
    pin:
      sn74hc595: sn74hc595_hub_0
      # Use pin number 13
      number: 13
      inverted: false
  - platform: gpio
    name: "Relay #15"
    pin:
      sn74hc595: sn74hc595_hub_0
      # Use pin number 14
      number: 14
      inverted: false
  - platform: gpio
    name: "Relay #16"
    pin:
      sn74hc595: sn74hc595_hub_0
      # Use pin number 15
      number: 15
      inverted: false

02 Example Configuration.yaml

esphome:
  name: relay-board-000
  friendly_name: Relay-Board-000

esp8266:
  board: esp12e

# Enable logging
logger:

# Enable Home Assistant API
api:
  encryption:
    key: "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"

ota:
  password: "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"

wifi:
  ssid: !secret wifi_ssid
  password: !secret wifi_password

  # Enable fallback hotspot (captive portal) in case wifi connection fails
  ap:
    ssid: "Relay-Board-000 Fallback Hotspot"
    password: "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"

captive_portal:


sn74hc595:
  - id: 'sn74hc595_hub_0'
    data_pin: GPIO14
    clock_pin: GPIO13
    latch_pin: GPIO12
    oe_pin: GPIO5
    sr_count: 2

# Individual outputs
switch:
  - platform: gpio
    name: "Relay #1"
    pin:
      sn74hc595: sn74hc595_hub_0
      # Use pin number 0
      number: 0
      inverted: false
  - platform: gpio
    name: "Relay #2"
    pin:
      sn74hc595: sn74hc595_hub_0
      # Use pin number 1
      number: 1
      inverted: false
  - platform: gpio
    name: "Relay #3"
    pin:
      sn74hc595: sn74hc595_hub_0
      # Use pin number 2
      number: 2
      inverted: false
  - platform: gpio
    name: "Relay #4"
    pin:
      sn74hc595: sn74hc595_hub_0
      # Use pin number 3
      number: 3
      inverted: false
  - platform: gpio
    name: "Relay #5"
    pin:
      sn74hc595: sn74hc595_hub_0
      # Use pin number 4
      number: 4
      inverted: false
  - platform: gpio
    name: "Relay #6"
    pin:
      sn74hc595: sn74hc595_hub_0
      # Use pin number 5
      number: 5
      inverted: false
  - platform: gpio
    name: "Relay #7"
    pin:
      sn74hc595: sn74hc595_hub_0
      # Use pin number 6
      number: 6
      inverted: false
  - platform: gpio
    name: "Relay #8"
    pin:
      sn74hc595: sn74hc595_hub_0
      # Use pin number 7
      number: 7
      inverted: false
  - platform: gpio
    name: "Relay #9"
    pin:
      sn74hc595: sn74hc595_hub_0
      # Use pin number 8
      number: 8
      inverted: false
  - platform: gpio
    name: "Relay #10"
    pin:
      sn74hc595: sn74hc595_hub_0
      # Use pin number 9
      number: 9
      inverted: false
  - platform: gpio
    name: "Relay #11"
    pin:
      sn74hc595: sn74hc595_hub_0
      # Use pin number 10
      number: 10
      inverted: false
  - platform: gpio
    name: "Relay #12"
    pin:
      sn74hc595: sn74hc595_hub_0
      # Use pin number 11
      number: 11
      inverted: false
  - platform: gpio
    name: "Relay #13"
    pin:
      sn74hc595: sn74hc595_hub_0
      # Use pin number 12
      number: 12
      inverted: false
  - platform: gpio
    name: "Relay #14"
    pin:
      sn74hc595: sn74hc595_hub_0
      # Use pin number 13
      number: 13
      inverted: false
  - platform: gpio
    name: "Relay #15"
    pin:
      sn74hc595: sn74hc595_hub_0
      # Use pin number 14
      number: 14
      inverted: false
  - platform: gpio
    name: "Relay #16"
    pin:
      sn74hc595: sn74hc595_hub_0
      # Use pin number 15
      number: 15
      inverted: false