Esphome + KC868-HA-V21

[duranduy]

take photo of your HAv2 PC setting soffware and your A2 board KCS RS485 setting photo.

Attaching photos of the settings from HA485 Assistant and RS485 ESPHome.
Esphome ver 2025.7.5
The whole ESPHOME configuration of A2:

Code:

substitutions:
  device_name: "kcs-kc868-a2"
  friendly_name: KCS_KC868_A2
  board_type: esp32dev
  api_key: !secret api_key
  ap_password: !secret ap_fallback_password
  ota_password: !secret ota_password
  cooldown: 10s

external_components:
  - source:
      type: git
      url: https://github.com/hzkincony/esphome-kc868-ha
      ref: v3.0.2
esphome:
  name: ${device_name}
  friendly_name: ${friendly_name}
esp32:
  board: ${board_type}
  framework:
    type: arduino
logger:
  level: DEBUG
api:
  encryption:
    key: ${api_key}
web_server:
  port: 80
  auth:
    username: !secret web_server_username
    password: !secret web_server_password
ota:
  platform: esphome
  password: ${ota_password}
button:
  - platform: restart
    name: "Restart Device"
  - platform: safe_mode
    name: "Restart in Safe Mode"
ethernet:
  type: LAN8720
  mdc_pin: GPIO23
  mdio_pin: GPIO18
  clk_mode: GPIO17_OUT
  phy_addr: 0
uart:
  - id: rs485
    tx_pin: GPIO32
    rx_pin: GPIO35
    baud_rate: 9600
    stop_bits: 2
kc868_ha:
  uart_id: rs485
switch:
  # The switch is used to control the D1~D6 level output on the KC868 HA board
  # bind_output is required. Corresponds to the BindOutput parameter in HA485_Ctrl software
  # Other parameters refer to: https://esphome.io/components/switch/index.html
  - platform: kc868_ha
    target_relay_controller_addr: 1
    switch_adapter_addr: 10
    bind_output: 1
    name: "switch 1"
  - platform: kc868_ha
    target_relay_controller_addr: 1
    switch_adapter_addr: 10
    bind_output: 2
    name: "switch 2"
  - platform: kc868_ha
    target_relay_controller_addr: 1
    switch_adapter_addr: 10
    bind_output: 3
    name: "switch 3"
  - platform: kc868_ha
    target_relay_controller_addr: 1
    switch_adapter_addr: 10
    bind_output: 4
    name: "switch 4"
  - platform: kc868_ha
    target_relay_controller_addr: 1
    switch_adapter_addr: 10
    bind_output: 5
    name: "switch 5"
  - platform: kc868_ha
    target_relay_controller_addr: 1
    switch_adapter_addr: 10
    bind_output: 6
    name: "switch 6"
  - platform: gpio
    id: a2
    name: "a2-light1"
    pin: 15
    inverted: False
  - platform: gpio
    name: "a2-light2"
    pin: 2
    inverted: False
binary_sensor:
  # The binary_sensor corresponds to the state changes generated by K1~K6 on the KC868 HA board
  # bind_output is required. Corresponds to the BindOutput parameter in HA485_Ctrl software
  # Other parameters refer to: https://esphome.io/components/binary_sensor/index.html
  - platform: kc868_ha
    target_relay_controller_addr: 1
    switch_adapter_addr: 10
    bind_output: 1 
    name: "binary_sensor 1"
  - platform: kc868_ha
    target_relay_controller_addr: 1
    switch_adapter_addr: 10
    bind_output: 2
    name: "binary_sensor 2"
  - platform: kc868_ha
    target_relay_controller_addr: 1
    switch_adapter_addr: 10
    bind_output: 3
    name: "binary_sensor 3"
  - platform: kc868_ha
    target_relay_controller_addr: 1
    switch_adapter_addr: 10
    bind_output: 4
    name: "binary_sensor 4"
  - platform: kc868_ha
    target_relay_controller_addr: 1
    switch_adapter_addr: 10
    bind_output: 5
    name: "binary_sensor 5"
  - platform: kc868_ha
    target_relay_controller_addr: 1
    switch_adapter_addr: 10
    bind_output: 6
    name: "binary_sensor 6"
  - platform: gpio
    name: "a2-input1"
    pin:
      number: 36
      inverted: true
  - platform: gpio
    name: "a2-input2"
    pin:
      number: 39
      inverted: true