athom-energy-monitor-x2.yaml

substitutions:
  name: "athom-em-2"
  friendly_name: "Athom Energy Meter"
  # Allows ESP device to be automatically lined to an 'Area' in Home Assistant. Typically used for areas such as 'Lounge Room', 'Kitchen' etc
  room: ""
  device_description: "athom bl0906 energy meter (2 channels)"
  project_name: "Athom Technology.Athom Energy Meter(2 Channels)"
  project_version: "2.0.4"
  update_interval: 5s
  # Define a domain for this device to use. i.e. iot.home.lan (so device will appear as athom-smart-plug-v2.iot.home.lan in DNS/DHCP logs)
  dns_domain: ""
  # Set timezone of the smart plug. Useful if the plug is in a location different to the HA server. Can be entered in unix Country/Area format (i.e. "Australia/Sydney")
  timezone: ""
  # Set the duration between the sntp service polling ntp.org servers for an update
  sntp_update_interval: 6h
  # Network time servers for your region, enter from lowest to highest priority. To use local servers update as per zones or countries at: https://www.ntppool.org/zone/@
  sntp_server_1: "0.pool.ntp.org"
  sntp_server_2: "1.pool.ntp.org"
  sntp_server_3: "2.pool.ntp.org"  
  # Enables faster network connections, with last connected SSID being connected to and no full scan for SSID being undertaken
  wifi_fast_connect: "false"
  # Define logging level: NONE, ERROR, WARN, INFO, DEBUG (Default), VERBOSE, VERY_VERBOSE
  log_level: "DEBUG"
  # Enable or disable the use of IPv6 networking on the device
  ipv6_enable: "false"

#############################ESP32C3###########################
  bl0906_tx_pin: GPIO7
  bl0906_rx_pin: GPIO8
  button_pin:    GPIO9
  led_pin:       GPIO10
  clk_pin:       GPIO2
  mosi_pin:      GPIO3
  backlight_pin: GPIO18
  reset_pin:     GPIO4
  dc_pin:        GPIO5
  cs_pin:        GPIO6
#############################ESP32C3###########################

esphome:
  name: "${name}"
  friendly_name: "${friendly_name}"
  area: "${room}"
  name_add_mac_suffix: true
  min_version: 2024.9.2
  project:
    name: "${project_name}"
    version: "${project_version}"

esp32:
  board: esp32-c3-devkitm-1
  flash_size: 4MB
  variant: ESP32C3
  framework:
    type: arduino
    version: recommended

preferences:
  flash_write_interval: 5min

api:
  # reboot_timeout: 0s

ota:
  - platform: esphome

logger:
  baud_rate: 115200
  level: ${log_level}
  hardware_uart: UART0

mdns:
  disabled: false

web_server:
  port: 80

network:
  enable_ipv6: ${ipv6_enable}

wifi:
  ap: {}
  fast_connect: "${wifi_fast_connect}"
  domain: "${dns_domain}"

captive_portal:

improv_serial:

esp32_improv:
  authorizer: none

dashboard_import:
  package_import_url: github://athom-tech/esp32-configs/athom-energy-monitor-x2.yaml

globals:
  - id: id_Energy_sum_persist
    type: float
    restore_value: yes
    initial_value: '0.0'
  - id: id_Energy_sum_lastvalue
    type: float
    restore_value: no
    initial_value: '0.0'

  - id: id_Energy_1_persist
    type: float
    restore_value: yes
    initial_value: '0.0'
  - id: id_Energy_1_lastvalue
    type: float
    restore_value: no
    initial_value: '0.0'

  - id: id_Energy_2_persist
    type: float
    restore_value: yes
    initial_value: '0.0'
  - id: id_Energy_2_lastvalue
    type: float
    restore_value: no
    initial_value: '0.0'

uart:
  tx_pin: "$bl0906_tx_pin"
  rx_pin: "$bl0906_rx_pin"
  baud_rate: 19200
  id: uart_bl0906

light:
  - platform: status_led
    name: "Status LED"
    id: blue_led
    disabled_by_default: true
    pin: $led_pin

binary_sensor:
  - platform: status
    name: "Status"
    entity_category: diagnostic

  - platform: gpio
    pin:
      number: "$button_pin"
      mode: INPUT_PULLUP
      inverted: true
    name: "Power Button"
    disabled_by_default: true
    on_multi_click:
      - timing:
        - ON for at least 4s
        then:
          - button.press: Reset

sensor:
  - platform: uptime
    name: "Uptime Sensor"
    id: uptime_sensor
    entity_category: diagnostic
    internal: true

  - platform: wifi_signal
    name: "WiFi Signal dB"
    id: wifi_signal_db
    update_interval: 60s
    entity_category: "diagnostic"

  - platform: copy
    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: "Signal %"
    entity_category: "diagnostic"
    device_class: ""

  - platform: bl0906
    id: id_bl0906
    update_interval: "${update_interval}"
    frequency:
      name: 'Frequency'
      id: 'Frequency'
    temperature:
      name: 'Temperature'
      id: 'Temperature'
    voltage:
      name: 'Voltage'
      id: 'Voltage'
    channel_1:
      current:
        name: 'Current_1'
        id: 'Current_1'
      power:
        name: 'Power_1'
        id: 'Power_1'
      energy:
        id: 'Energy_1'
        name: 'Energy_1_Internal'
        internal: true
    channel_2:
      current:
        name: 'Current_2'
        id: 'Current_2'
      power:
        name: 'Power_2'
        id: 'Power_2'
      energy:
        id: 'Energy_2'
        name: 'Energy_2_Internal'
        internal: true
    total_energy:
      name: 'Total_Energy'
      id: 'Energy_sum'
      internal: true
    total_power:
      name: 'Total_Power'
      id: 'Tatal_Power'

  - platform: copy
    name: 'Total_Energy'
    id: Energy_sum_persist
    source_id: Energy_sum
    filters:
      - lambda: |-
          if(id(id_Energy_sum_lastvalue) == 0.0  )
          {
            id(id_Energy_sum_lastvalue) = id(Energy_sum).state;
          }
          if(x < id(id_Energy_sum_persist))
          {
            float delta =  x - id(id_Energy_sum_lastvalue);
            id(id_Energy_sum_persist) += delta;
            id(id_Energy_sum_lastvalue) = x;
          }
          else
          {
            id(id_Energy_sum_persist) = x;
          }
          return id(id_Energy_sum_persist);

  - platform: copy
    name: 'Energy_1'
    id: Energy_1_persist
    source_id: Energy_1
    filters:
      - lambda: |-
          if(id(id_Energy_1_lastvalue) == 0.0  )
          {
            id(id_Energy_1_lastvalue) = id(Energy_1).state;
          }
          if(x < id(id_Energy_1_persist))
          {
            float delta =  x - id(id_Energy_1_lastvalue);
            id(id_Energy_1_persist) += delta;
            id(id_Energy_1_lastvalue) = x;
          }
          else
          {
            id(id_Energy_1_persist) = x;
          }
          return id(id_Energy_1_persist);

  - platform: copy
    name: 'Energy_2'
    id: Energy_2_persist
    source_id: Energy_2
    filters:
      - lambda: |-
          if(id(id_Energy_2_lastvalue) == 0.0  )
          {
            id(id_Energy_2_lastvalue) = id(Energy_2).state;
          }
          if(x < id(id_Energy_2_persist))
          {
            float delta =  x - id(id_Energy_2_lastvalue);
            id(id_Energy_2_persist) += delta;
            id(id_Energy_2_lastvalue) = x;
          }
          else
          {
            id(id_Energy_2_persist) = x;
          }
          return id(id_Energy_2_persist);

button:
  - platform: restart
    name: "Restart"
    entity_category: config

  - platform: factory_reset
    name: "Factory Reset"
    id: Reset
    entity_category: config

  - platform: safe_mode
    name: "Safe Mode"
    internal: false
    entity_category: config

  - platform: template
    name: Reset Energy
    entity_category: config
    on_press:
      then:
        - globals.set:
            id: id_Energy_1_persist
            value: '0.0'
        - globals.set:
            id: id_Energy_2_persist
            value: '0.0'
        - globals.set:
            id: id_Energy_sum_persist
            value: '0.0'
        - bl0906.reset_energy: id_bl0906

text_sensor:
  - platform: wifi_info
    ip_address:
      name: "IP Address"
      id: ip_address
      entity_category: diagnostic
    ssid:
      name: "Connected SSID"
      id: ssid
      entity_category: diagnostic
    mac_address:
      name: "Mac Address"
      id: mac_address
      entity_category: diagnostic

  - platform: template
    name: "Last Restart"
    id: device_last_restart
    icon: mdi:clock
    entity_category: diagnostic
    device_class: timestamp

  - platform: template
    name: "Uptime"
    id: uptimes
    icon: mdi:clock-start
    entity_category: diagnostic
    lambda: |-
      int seconds = (id(uptime_sensor).state);
      int days = seconds / (24 * 3600);
      seconds = seconds % (24 * 3600);
      int hours = seconds / 3600;
      seconds = seconds % 3600;
      int minutes = seconds /  60;
      seconds = seconds % 60;
      if ( days > 3650 ) {
        return { "Starting up" };
      } else if ( days ) {
        return { (String(days) +"d " + String(hours) +"h " + String(minutes) +"m "+ String(seconds) +"s").c_str() };
      } else if ( hours ) {
        return { (String(hours) +"h " + String(minutes) +"m "+ String(seconds) +"s").c_str() };
      } else if ( minutes ) {
        return { (String(minutes) +"m "+ String(seconds) +"s").c_str() };
      } else {
        return { (String(seconds) +"s").c_str() };
      }

time:
  - platform: sntp
    id: sntp_time
  # Define the timezone of the device
    timezone: "${timezone}"
  # Change sync interval from default 5min to 6 hours (or as set in substitutions)
    update_interval: ${sntp_update_interval}
  # Set specific sntp servers to use
    servers:
      - "${sntp_server_1}"
      - "${sntp_server_2}"
      - "${sntp_server_3}"
  # Publish the time the device was last restarted
    on_time_sync:
      then:
        # Update last restart time, but only once.
        - if:
            condition:
              lambda: 'return id(device_last_restart).state == "";'
            then:
              - text_sensor.template.publish:
                  id: device_last_restart
                  state: !lambda 'return id(sntp_time).now().strftime("%a %d %b %Y - %I:%M:%S %p");'