esphome:
  name: online-image-bmp

host:

http_request:

display:

online_image:
  - url: http://127.0.0.1:HTTP_PORT/foo.bmp
    id: myimg
    format: BMP
    type: RGB
    on_download_finished:
      logger.log:
        format: "download finished. cache hit: %u"
        args: [cached]

api:
  actions:
    - action: fetch_image
      then:
        - component.update: myimg

logger:
  level: DEBUG