esphome:
  on_boot:
    then:
      - ufire_ec.calibrate_probe:
          id: ufire_ec_board
          solution: 0.146
          temperature: !lambda "return id(test_sensor).state;"
      - ufire_ec.reset:

sensor:
  - platform: template
    id: test_sensor
    lambda: "return 21;"
  - platform: ufire_ec
    i2c_id: i2c_bus
    id: ufire_ec_board
    ec:
      name: Ufire EC
    temperature_sensor: test_sensor
    temperature_compensation: 20.0
    temperature_coefficient: 0.019
