esphome:
  name: your-device-name
  friendly_name: your-device-name

substitutions:
  tx_pin: GPIO17
  rx_pin: GPIO16

esp32:
  board: esp32dev
  framework:
    type: arduino

# Enable logging
logger:

# Enable Home Assistant API
api:
  encryption:
    key: "YOUR-HA-API-KEY"

ota:
  password: "YOUR-OTA-KEY"

wifi:
  ssid: !secret wifi_ssid
  password: !secret wifi_password

  # I have to use static IPs, your setup might be different
  manual_ip:
    # Set this to the IP of the ESP
    static_ip: 192.168.10.10
    # Set this to the IP address of the router. Often ends with .1
    gateway: 192.168.10.1
    # The subnet of the network. 255.255.255.0 works for most home networks.
    subnet: 255.255.255.0
    dns1: 192.168.10.1
  # Enable fallback hotspot (captive portal) in case wifi connection fails
  ap:
    ssid: "FALLBACK-AP"
    password: "secretfallbackpassword"

web_server:
  port: 80

# If you use Home Assistant please remove this `mqtt` section and uncomment the `api` component!
# The native API has many advantages over MQTT: https://esphome.io/components/api.html#advantages-over-mqtt
mqtt:
  broker: !secret mqtt_host
#  username: !secret mqtt_username
#  password: !secret mqtt_password
  id: mqtt_client


uart:
  id: uart_1
  baud_rate: 9600
  tx_pin: ${tx_pin}
  rx_pin: ${rx_pin}
  stop_bits: 1
  parity: NONE
  # The increased RX buffer size is important because
  # the full BMS response must fit into the buffer
  rx_buffer_size: 384
#  debug:
#    dummy_receiver: false
#    direction: BOTH
#    after:
#      delimiter: "\r"
#    sequence:
#      - lambda: UARTDebug::log_string(direction, bytes);


# Further reading: https://esphome.io/components/modbus

modbus:
#  flow_control_pin: 5
#  send_wait_time: 500ms 
  id: modbus1
  uart_id: uart_1

# Further reading: https://esphome.io/components/modbus_controller

modbus_controller:
- id: modbus_device
  address: 0x01   ## address of the Modbus slave device on the bus
  modbus_id: modbus1
  update_interval: 10s
  setup_priority: -10

# Now the real works starts
# Here you have to define your registers including type
# Addresses are device specific, so you have to figure out them based on your
# modbus device. Also the type must be correct. See below link about value_types, etc.
#
# Further reading: https://esphome.io/components/sensor/modbus_controller

sensor:
- platform: modbus_controller
  modbus_controller_id: modbus_device
  name: "Current Power"
  register_type: read
  address: 0x003A
  unit_of_measurement: "W"
  value_type: U_WORD
- platform: modbus_controller
  modbus_controller_id: modbus_device
  name: "Current Energy"
  register_type: read
  address: 0x003C
  unit_of_measurement: "Wh"
  value_type: U_WORD