DeskController.yaml

substitutions:
  display_name: "Nextion Display Name" # Enter a descriptive display name
  device_name: "Standing Desk Model"   # Desk model or identifier
  name: "standing_desk"
  min_height: "XX.X" # Minimum desk height (cm), adjust to your desk
  max_height: "XXX.X" # Maximum desk height (cm), adjust to your desk

esphome:
  name: nextion_desk_controller
  platform: ESP32
  board: esp32dev

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

  ap:
    ssid: "Fallback Hotspot"
    password: "fallback_password"

captive_portal:

api:
  encryption:
    key: "<insert_api_encryption_key_here>"
ota:
  password: "<insert_ota_password_here>"

logger:
  baud_rate: 0

external_components:
  source: github://iMicknl/LoctekMotion_IoT@v2
  components: [loctekmotion_desk_height]

uart:
  - id: desk_uart
    tx_pin: GPIO17
    rx_pin: GPIO16
    baud_rate: 9600

  - id: nextion_uart
    tx_pin: GPIO4
    rx_pin: GPIO5
    baud_rate: 9600

time:
  - platform: sntp
    id: sntp_time

sensor:
  - platform: loctekmotion_desk_height
    uart_id: desk_uart
    id: desk_height
    name: "Desk Height"
    on_value_range:
      - below: ${min_height}
        then:
          - switch.turn_off: switch_down
      - above: ${max_height}
        then:
          - switch.turn_off: switch_up
    on_value:
      then:
        - cover.template.publish:
            id: desk_cover
            position: !lambda |-
              return (x - ${min_height}) / (${max_height} - ${min_height});
        - component.update: set_desk_height
        - lambda: |-
            char buf[30];
            sprintf(buf, "t0.txt=\"%.1f cm\"", x);
            id(my_nextion).send_command(buf);

  - platform: wifi_signal
    name: "WiFi Signal"
    update_interval: 60s

  - platform: uptime
    name: "Uptime"

switch:
  # Desk movement commands
  # Commands are specific to desk model; replace if different.
  - platform: uart
    id: switch_up
    data: [0x9b, 0x06, 0x02, 0x01, 0x00, 0xfc, 0xa0, 0x9d]
    uart_id: desk_uart
    send_every: 108ms
    internal: true

  - platform: uart
    id: switch_down
    data: [0x9b, 0x06, 0x02, 0x02, 0x00, 0x0c, 0xa0, 0x9d]
    uart_id: desk_uart
    send_every: 108ms
    internal: true

  # Nextion display brightness control
  - platform: template
    name: "Nextion Display On"
    turn_on_action:
      - uart.write:
          id: nextion_uart
          data: ["0x64", "0x69", "0x6d", "0x3d", "0x31", "0x30", "0x30", "0xff", "0xff", "0xff"]
    turn_off_action:
      - logger.log: "Display On switch does not support off."

  - platform: template
    name: "Nextion Display Off"
    turn_on_action:
      - uart.write:
          id: nextion_uart
          data: ["0x64", "0x69", "0x6d", "0x3d", "0x30", "0xff", "0xff", "0xff"]
    turn_off_action:
      - logger.log: "Display Off switch does not support on."

binary_sensor:
  # Nextion touchscreen buttons (replace component IDs/pages as needed)
  - platform: nextion
    page_id: 1
    component_id: 1
    filters:
      - delayed_off: 100ms
    on_press:
      then:
        - homeassistant.service:
            service: light.toggle
            data:
              entity_id: "light.your_entity_here"

cover:
  - platform: template
    id: desk_cover
    name: "Desk Height Control"
    device_class: blind
    has_position: true
    optimistic: false
    open_action:
      - switch.turn_on: switch_up
    close_action:
      - switch.turn_on: switch_down
    stop_action:
      - switch.turn_off: switch_up
      - switch.turn_off: switch_down

number:
  - platform: template
    name: "Set Desk Height"
    id: set_desk_height
    min_value: ${min_height}
    max_value: ${max_height}
    step: 0.1
    lambda: return id(desk_height).state;
    set_action:
      - cover.control:
          id: desk_cover
          position: !lambda return (x - ${min_height}) / (${max_height} - ${min_height});

display:
  - platform: nextion
    id: my_nextion
    uart_id: nextion_uart
    update_interval: 700ms

script:
  # Desk preset scripts; customize as needed
  - id: desk_sit_script
    then:
      - uart.write:
          id: desk_uart
          data: [/* your preset command bytes here */]