uart:
  - id: uart_bl0939
    tx_pin:
      number: 4
    rx_pin:
      number: 5
    baud_rate: 9600

sensor:
  - platform: bl0939
    voltage:
      name: BL0939 Voltage
    current_1:
      name: BL0939 Current 1
    current_2:
      name: BL0939 Current 2
    active_power_1:
      name: BL0939 Active Power 1
    active_power_2:
      name: BL0939 Active Power 2
    energy_1:
      name: BL0939 Energy 1
    energy_2:
      name: BL0939 Energy 2
    energy_total:
      name: BL0939 Total energy