esphome/tests/test5.yaml

esphome:
  name: test5
  platform: ESP32
  board: nodemcu-32s
  build_path: build/test5
  project:
    name: esphome.test5_project
    version: "1.0.0"

wifi:
  networks:
    - ssid: 'MySSID'
      password: 'password1'

api:

ota:

logger:

binary_sensor:
  - platform: gpio
    pin: GPIO0
    id: io0_button

output:
  - platform: gpio
    pin: GPIO2
    id: built_in_led

esp32_ble:

esp32_ble_server:
  manufacturer: "ESPHome"
  model: "Test5"

esp32_improv:
  authorizer: io0_button
  authorized_duration: 1min
  status_indicator: built_in_led

number:
  - platform: template
    name: My template number
    id: template_number_id
    optimistic: true
    on_value:
      - logger.log:
          format: "Number changed to %f"
          args: ["x"]
    set_action:
      - logger.log:
          format: "Template Number set to %f"
          args: ["x"]
    max_value: 100
    min_value: 0
    step: 5