Hi TechPosts, I found that the above code did not work for me and I suspect that this is because specific functions have been depreciated over time within the code and now cause errors to be reported. One example is "throttle: 1500ms" which is now replaced by Filters.

I managed to adjust several sections of the code to the following to get it working.  I hope this can help some others out there that may be struggling:

web_server:
  port: 80
  include_internal: true

# ---------------------------------------------------------------------------------

light:
  - platform: binary
    name: "Blue Status Light"
    output: light_output
    id: led_light
    restore_mode: ALWAYS_OFF

output:
  - platform: gpio
    pin: GPIO2
    id: light_output

uart:
  id: uart_bus
  tx_pin: GPIO21    # Adjust pins depending on your ESP32-C3 board
  rx_pin: GPIO20
  baud_rate: 256000
  parity: NONE
  stop_bits: 1

ld2410:
  uart_id: uart_bus
  id: ld2410_comp

select:
  - platform: ld2410
    distance_resolution:
      name: distance resolution
    baud_rate:
      name: baud rate
    light_function:
      name: light function
    out_pin_level:
      name: out pin level

button:
  - platform: ld2410
    factory_reset:
      name: "factory reset"
    restart:
      name: "restart"
    query_params:
      name: query params

number:
  - platform: ld2410
    timeout:
      name: timeout
    max_move_distance_gate:
      name: max move distance gate
    max_still_distance_gate:
      name: max still distance gate
    g0:
      move_threshold:
        name: g0 move threshold
      still_threshold:
        name: g0 still threshold
    g1:
      move_threshold:
        name: g1 move threshold
      still_threshold:
        name: g1 still threshold
    g2:
      move_threshold:
        name: g2 move threshold
      still_threshold:
        name: g2 still threshold
    g3:
      move_threshold:
        name: g3 move threshold
      still_threshold:
        name: g3 still threshold
    g4:
      move_threshold:
        name: g4 move threshold
      still_threshold:
        name: g4 still threshold
    g5:
      move_threshold:
        name: g5 move threshold
      still_threshold:
        name: g5 still threshold
    g6:
      move_threshold:
        name: g6 move threshold
      still_threshold:
        name: g6 still threshold
    g7:
      move_threshold:
        name: g7 move threshold
      still_threshold:
        name: g7 still threshold
    g8:
      move_threshold:
        name: g8 move threshold
      still_threshold:
        name: g8 still threshold
    light_threshold:
      name: light threshold

text_sensor:
  - platform: ld2410
    version:
      name: "presenece sensor version"
    mac_address:
      name: "presenece sensor mac address"

switch:
  - platform: ld2410
    engineering_mode:
      name: "engineering mode"
    bluetooth:
      name: control Bluetooth

sensor:
  - platform: internal_temperature
    name: "Internal Temperature"

  - platform: ld2410
    moving_distance:
      name: "Moving distance (cm)"
      filters:
        - throttle: 1s
    still_distance:
      name: "Still Distance (cm)"
    moving_energy:
      name: "Move Energy (%)"
    still_energy:
      name: "Still Energy (%)"
    detection_distance:
      name: "Distance Detection (cm)"
    g0:
      move_energy:
        name: g0 move energy
      still_energy:
        name: g0 still energy
    g1:
      move_energy:
        name: g1 move energy
      still_energy:
        name: g1 still energy
    g2:
      move_energy:
        name: g2 move energy
      still_energy:
        name: g2 still energy
    g3:
      move_energy:
        name: g3 move energy
      still_energy:
        name: g3 still energy
    g4:
      move_energy:
        name: g4 move energy
      still_energy:
        name: g4 still energy
    g5:
      move_energy:
        name: g5 move energy
      still_energy:
        name: g5 still energy
    g6:
      move_energy:
        name: g6 move energy
      still_energy:
        name: g6 still energy
    g7:
      move_energy:
        name: g7 move energy
      still_energy:
        name: g7 still energy
    g8:
      move_energy:
        name: g8 move energy
      still_energy:
        name: g8 still energy
    light:
      name: light

binary_sensor:

  - platform: ld2410
    has_target:
      name: Presence
    has_moving_target:
      name: Moving Target
    has_still_target:
      name: Still Target