esphome-config.yaml

substitutions:
  name: "power-monitor"
  friendly_name: "Power Monitor"
  
esphome:
  name: ${name}
  project:
    name: "power.monitor"
    version: "1.0.0"


esp8266:
  board: esp01_1m # ESP-01/01S

logger:
  baud_rate: 0 # 和 UART 冲突，关闭日志

# 启用 Home Assistant API
api:

# 手动升级密码
ota:
  password: "12345678"

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

  # WiFi 连接失败时启用 AP 
  ap:
    ssid: ${name}
    password: "12345678"

captive_portal:
web_server:
      port: 80
  
status_led:
  pin: GPIO2

# ESP 01/01S 的引脚为 GPIO1 和 GPIO3
uart:
  rx_pin:
    number: GPIO3 
  tx_pin: 
    number: GPIO1 
  baud_rate: 9600
  id: mod_uart

modbus:
  send_wait_time: 50ms
  uart_id: mod_uart
  id: mod_bus

text_sensor:

- platform: version
  name: "${friendly_name} Version"
  hide_timestamp: false  
  
sensor:
- platform: pzemac
  current: # 电流
    name: '${friendly_name} Current'
  voltage: # 电压
    name: '${friendly_name} Voltage'
  energy: # 总电量
    name: '${friendly_name} Energy'
    # 转换成 kWh
    filters:
      - multiply: 0.001
    unit_of_measurement: 'kWh'
    # 保留小数点后三位
    accuracy_decimals: 3
  power: # 当前功率
    name: '${friendly_name} Power'
    filters:
      - multiply: 1
    unit_of_measurement: 'Wh'
    accuracy_decimals: 1
  frequency: # 频率
    name: '${friendly_name} Frequency'
  power_factor: # 功率因子
    name: '${friendly_name} Power Factor'
  update_interval: 15s  # 15s 同步一次，太短可能会导致 ESP 不断重启

# 启动时间
- platform: uptime
  name: "${friendly_name} Uptime"
  id: uptime_sensor
  update_interval: 1s