rain-sensor.yaml

esphome:
  name: rain-sensor
  on_boot:
    priority: -10
    then:
      - script.execute: heartbeat
  includes:
    - RG9.h

esp32:
  board: esp32dev
  framework:
    type: arduino

# Enable logging
logger:
  level: DEBUG
  hardware_uart: UART1

# Enable Home Assistant API
api:

output:
  - id: onBoardLED
    platform: gpio
    pin: 2

uart:
  id: uart_bus
  tx_pin: GPIO1
  rx_pin: GPIO3
  baud_rate: 9600
#  debug:
#    direction: BOTH
#    after:
#      delimiter: "\n"

sensor:
  - platform: custom
    lambda: |-
      auto rg9Sensor = new RG9Component(id(uart_bus));
      App.register_component(rg9Sensor);
      return {rg9Sensor->rainIntensity, rg9Sensor->rainFallPerMin};
    sensors:
      - name: "Rain Intensity"
        accuracy_decimals: 0
        unit_of_measurement: '-'
      - name: "Rain Fall"
        accuracy_decimals: 0
        unit_of_measurement: '-/min'

script:
  - id: oneBeat
    then:
      - output.turn_on: onBoardLED
      - delay: 250ms
      - output.turn_off: onBoardLED
    
  - id: heartbeat
    then:
    - script.execute: oneBeat
    - delay: 750ms 
    - script.execute: oneBeat
    - delay: 750ms 
    - script.execute: oneBeat
    - delay: 750ms 
    - script.execute: oneBeat
    - delay: 750ms
    - while:
        condition:
          lambda: 'return true;'
        then:
        - script.execute: oneBeat
        - delay: 10s