esphome: on_boot: then: - rtttl.play: 'siren:d=8,o=5,b=100:d,e,d,e,d,e,d,e' - rtttl.stop output: - platform: ledc id: rtttl_output pin: 13 frequency: 1500Hz channel: 14 max_power: 0.5 rtttl: output: rtttl_output