ESPHome config to drive a simple stepper as part of a cat / pet feeder, original design by n9jcv

pet-feeder.yaml

# ESPHome config to drive a simple stepper as part of a cat / pet feeder.
# The 3D project I printed is:
# Pet Feeder Treat Dispenser Web App Enabled by n9jcv
# https://www.printables.com/model/142993-pet-feeder-treat-dispenser-web-app-enabled
# device_base includes your standard esp config, logger, api, ota, web_server, wifi,
# and a few sensors to provide HA with more info.

substitutions:
  device_name: "cat-feeder-1"
  friendly_name: "Cat Feeder 1"
  project_name: "cat-feeder-1"
  device_description: "cat-feeder-1"
  project_version: "1.0"
  relay_restore_mode: RESTORE_DEFAULT_OFF
  platform_name: esp8285
  board_name: esp01_1m

esp8266:
  early_pin_init: false

packages:
  device_base: !include common/device_base.yaml

stepper:
  - platform: uln2003
    id: stepper_motor
    pin_a: 5
    pin_b: 4
    pin_c: 14
    pin_d: 12
    max_speed: 250 steps/s

    # Optional:
    acceleration: inf
    deceleration: inf
    sleep_when_done: true


button:
  - platform: template
    name: "${friendly_name} Rotate Right"
    id: rotate_right
    on_press:
      # Move 150 steps forward
      - stepper.report_position:
          id: stepper_motor
          position: 0
      - stepper.set_target:
          id: stepper_motor
          target: -256

  - platform: template
    name: "${friendly_name} Rotate Left"
    id: rotate_left
    on_press:
      # Move 150 steps forward
      - stepper.report_position:
          id: stepper_motor
          position: 0
      - stepper.set_target:
          id: stepper_motor
          target: 256