esphome/tests/components/tlc5971/common.yaml

tlc5971:
  clock_pin: ${clock_pin}
  data_pin: ${data_pin}

output:
  - platform: tlc5971
    id: output_1
    channel: 0
    max_power: 0.8
  - platform: tlc5971
    id: output_2
    channel: 1