external components for esphome

• 1 dart ws-z sensor
• 2 ltr390 with sensitivity_max variable，default 1400 for new version

uart:
  id: uart_bus
  tx_pin: 17
  rx_pin: 16
  baud_rate: 9600
  stop_bits: 1
  rx_buffer_size: 512

i2c:
  sda: 18
  scl: 19
  scan: true
  id: i2cbus
number:
- platform: template
  id: basenum
  name: "设置基准数值"
  optimistic: true
  restore_value: true
  min_value: 0
  max_value: 100000
  step: 1
  entity_category: "diagnostic"

button:
  - platform: template
    name: "校准CO2传感器"
    entity_category: "diagnostic"
    on_press:
      - kanfurco2.calibrate:
          id: co2sensor
          base: !lambda "return id(basenum).state;"
sensor:
  - platform: ws_z
    uart_id: uart_bus
    formaldehyde:
      name: "甲醛"
    formaldehyde_ppb:
      name: "甲醛ppb"
    update_interval: 5s

  - platform: kanfurco2
    id: co2sensor
    uart_id: uart_bus2
    co2:
      name: "co2"
    self_calibrate: true
    period: 5
    base: 400
    update_interval: 5s

  - platform: newltr390
    i2c_id: i2cbus
    uv_index:
      name: "UV Index"
    uv:
      name: "UV Sensor Counts"
    light:
      name: "Light"
    ambient_light:
      name: "Light Sensor Counts"
    sensitivity_max: 1400