esphome/tests/components/a4988/common.yaml

stepper:
  - platform: a4988
    id: a4988_stepper
    step_pin: ${step_pin}
    dir_pin: ${dir_pin}
    sleep_pin: ${sleep_pin}
    max_speed: 250 steps/s
    acceleration: 100 steps/s^2
    deceleration: 200 steps/s^2