linuxtips/homeassistant/esphome/ld2450/mw25-ld2450-esp32.yaml

# https://github.com/Chreece/LD2450-ESPHome.git
#
substitutions:
  devicename: mw25
  upper_devicename: "Hi-Link LD2450"

esphome:
  name: ${devicename}
  comment: ${upper_devicename}
  includes:
    - ld2450_uart.h
  platformio_options:
    board_build.flash_mode: dio
    board_build.extra_flags:
      - "-DARDUINO_USB_CDC_ON_BOOT=0"

esp32:
  board: seeed_xiao_esp32c3
  framework:
    type: arduino


wifi:
  ssid: !secret wifi_ssid
  password: !secret wifi_password
#  reboot_timeout: 0s
  ap:
    password: "admin1234"
    ap_timeout: 30s

# Enable logging
logger:
  baud_rate: 0

# Enable Home Assistant API
api:

ota:
  password: !secret ota

web_server:
  port: 80

mqtt:
  broker: 192.168.10.102

uart:
  id: uart_ld2450
  tx_pin: 
    number: GPIO21
    mode:
      input: true
      pullup: true
  rx_pin: 
    number: GPIO20
    mode:
      input: true
      pullup: true
  baud_rate: 256000
  parity: NONE
  stop_bits: 1
#  debug:
#    direction: BOTH
#    dummy_receiver: false

custom_component:
  - lambda: |-
      return {new LD2450(id(uart_ld2450))};
    components:
      - id: ld2450

binary_sensor:
  - platform: template
    name: "Presence Detected"
    device_class: occupancy
    lambda: |-
      if (id(target1).state > 0 
            or id(target2).state > 0
            or id(target3).state > 0) {
        return true;
      } else {
        return false;
      }

sensor:
  - platform: custom
    lambda: |-
      auto uart_component = static_cast<LD2450 *>(ld2450);
      return {uart_component->target1Resolution, uart_component->target1Speed, uart_component->target1X, uart_component->target1Y,
              uart_component->target2Resolution, uart_component->target2Speed, uart_component->target2X, uart_component->target2Y,
              uart_component->target3Resolution, uart_component->target3Speed, uart_component->target3X, uart_component->target3Y,
      };
    sensors:
      - name: "Target1 Resolution"
        unit_of_measurement: "nm"
        accuracy_decimals: 0
        icon: mdi:artboard
        id: target1
      - name: "Target1 Speed"
        unit_of_measurement: "cm/s"
        accuracy_decimals: 0
        icon: mdi:speedometer
      - name: "Target1 X"
        unit_of_measurement: "cm"
        accuracy_decimals: 0
        icon: mdi:map-marker-right
      - name: "Target1 Y"
        unit_of_measurement: "cm"
        accuracy_decimals: 0
        icon: mdi:map-marker-down
      - name: "Target2 Resolution"
        unit_of_measurement: "nm"
        accuracy_decimals: 0
        icon: mdi:artboard
        id: target2
      - name: "Target2 Speed"
        unit_of_measurement: "cm/s"
        accuracy_decimals: 0
        icon: mdi:speedometer
      - name: "Target2 X"
        unit_of_measurement: "cm"
        accuracy_decimals: 0
        icon: mdi:map-marker-right
      - name: "Target2 Y"
        unit_of_measurement: "cm"
        accuracy_decimals: 0
        icon: mdi:map-marker-down
      - name: "Target3 Resolution"
        unit_of_measurement: "nm"
        accuracy_decimals: 0
        icon: mdi:artboard
        id: target3
      - name: "Target3 Speed"
        unit_of_measurement: "cm/s"
        accuracy_decimals: 0
        icon: mdi:speedometer
      - name: "Target3 X"
        unit_of_measurement: "cm"
        accuracy_decimals: 0
        icon: mdi:map-marker-right
      - name: "Target3 Y"
        unit_of_measurement: "cm"
        accuracy_decimals: 0
        icon: mdi:map-marker-down
  - platform: template
    name: "Targets Detected"
    update_interval: 1s
    lambda: |-
      int num = 0;
      if (id(target1).state > 0) {
        num += 1;
      }
      if (id(target2).state > 0) {
        num += 1;
      }
      if (id(target3).state > 0) {
        num += 1;
      }
      return num;
  - platform: wifi_signal
    name: WiFi Signal
    id: wifi_signal_db
    update_interval: 60s
    entity_category: "diagnostic"
  - platform: copy # Reports the WiFi signal strength in %
    source_id: wifi_signal_db
    name: "WiFi Signal Percent"
    filters:
      - lambda: return min(max(2 * (x + 100.0), 0.0), 100.0);
    unit_of_measurement: "%"
    entity_category: "diagnostic"
  - platform: uptime
    name:  Uptime
  - platform: template
    id: sys_esp_temperature
    name:  MW25 ESP Temperature
    lambda: return temperatureRead();
    unit_of_measurement: °C
    device_class: TEMPERATURE
    update_interval: 45s
    entity_category: "diagnostic"
  - platform: template
    id: esp_memory
    icon: mdi:memory
    name: MW25 ESP Free Memory
    lambda: return heap_caps_get_free_size(MALLOC_CAP_INTERNAL) / 1024;
    unit_of_measurement: 'kB'
    state_class: measurement
    entity_category: "diagnostic"
    update_interval: 60s