esphome:
  name: esp32-energy-meter
  friendly_name: ESP32 Energy Meter

esp32:
  board: esp32dev
  framework:
    type: esp-idf

# Enable logging
logger:

# Enable Home Assistant API
api:
  encryption:
    key: "CHANGE_THIS_TO_YOUR_API_KEY"

ota:
  - platform: esphome
    password: "CHANGE_THIS_OTA_PASSWORD"

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

  manual_ip:
    # Set this to the IP of the ESP
    static_ip: 192.168.1.XXX
    # Set this to the IP address of the router. Often ends with .1
    gateway: 192.168.1.1
    # The subnet of the network. 255.255.255.0 works for most home networks.
    subnet: 255.255.255.0

  # Enable fallback hotspot (captive portal) in case wifi connection fails
  ap:
    ssid: "ESP32-Energy-Meter Fallback Hotspot"
    password: "CHANGE_THIS_PASSWORD"

captive_portal:
    
#JSY energy meter protocol
uart:
  id: mod_bus
  tx_pin: 17
  rx_pin: 16
  baud_rate: 4800
  stop_bits: 1

modbus:
  id: modbus1

modbus_controller:
  - id: jsymk
    #modbus device address
    address: 0x1
    modbus_id: modbus1
    update_interval: 3s
    command_throttle: 50ms

i2c:
  sda: 21
  scl: 22

font:
  - file:
      type: gfonts
      family: Baloo+Bhaijaan+2
      weight: 500
    id: baloo_18_500
    size: 18

  - file:
      type: gfonts
      family: Baloo+Bhaijaan+2
      weight: 700
    id: baloo_32_700
    size: 32
  
  - file:
      type: gfonts
      family: Baloo+Bhaijaan+2
      weight: 700
    id: baloo_18_700
    size: 18

  - file: "gfonts://Material+Symbols+Outlined"
    id: icons_18
    size: 18
    glyphs: ["\ue63e", "\ue648"] # mdi-wifi, mdi-wifi-off

time:
  - platform: homeassistant
    id: homeassistant_time

display:
  - platform: ssd1306_i2c
    model: "SSD1306 128x64"
    address: 0x3C
    id: oled
    rotation: 180°
    update_interval: 3s
    lambda: !lambda |-
      // Time integration for burn-in protection
      time_t now = id(homeassistant_time).now().timestamp;
      
      // Clear screen every 30 minutes to prevent OLED burn-in
      if (now % 1800 == 0) {  // Every 30 minutes
        it.clear();
        return;  // Exit early to prevent drawing during clear
      }
      
      // Clear screen before drawing new content
      it.clear();
      
      // Energy Meter title
      it.print(-1, -4, id(baloo_18_500), "Energy Meter");

      // WiFi status
      if(id(connection_status).state == 1) {
        it.print(it.get_width(), 0, id(icons_18), TextAlign::TOP_RIGHT, "\ue63e");        
      }
      else {
        it.print(it.get_width(), 0, id(icons_18), TextAlign::TOP_RIGHT, "\ue648");
      }

      // Power display
      it.printf(it.get_width()/2, 38, id(baloo_32_700), TextAlign::CENTER, "%.1f W", id(power2).state);

      // Voltage (slightly below screen due to rotation)
      it.printf(0, it.get_height() + 12, id(baloo_18_700), TextAlign::BOTTOM_LEFT, "%.1f V", id(voltage2).state);

      // Current (slightly below screen due to rotation)
      it.printf(it.get_width(), it.get_height() + 12, id(baloo_18_700), TextAlign::BOTTOM_RIGHT, "%.1f A", id(current2).state);


binary_sensor:
# Connection status - enhanced WiFi signal strength check
  - platform: template
    name: "WiFi Connection Status"
    id: connection_status
    lambda: !lambda
      return id(wifi_signal_strength).state > -70;  // Connected if signal strength > -70 dBm


sensor:
# WiFi Signal Strength sensor for accurate connection monitoring
  - platform: wifi_signal
    name: "WiFi Signal Strength"
    id: wifi_signal_strength
    update_interval: 10s
    unit_of_measurement: "dBm"

# First channel voltage
  - platform: modbus_controller
    modbus_controller_id: jsymk
    id: voltage1
    name: "Voltage"
    icon: mdi:alpha-v-box
    device_class: energy
    address: 0x0048
    unit_of_measurement: "V"
    register_type: holding
    value_type: U_DWORD
    accuracy_decimals: 1
    filters:
      - multiply: 0.0001
    register_count: 1
    response_size: 4

# First channel current
  - platform: modbus_controller
    modbus_controller_id: jsymk
    id: current1
    name: "Current 1"
    icon: mdi:current-ac
    device_class: energy
    address: 0x0049
    unit_of_measurement: "A"
    register_type: holding
    value_type: U_DWORD
    accuracy_decimals: 1
    filters:
      - multiply: 0.0001
    register_count: 1
    response_size: 4

# First channel power
  - platform: modbus_controller
    modbus_controller_id: jsymk
    id: power1
    name: "Power 1"
    icon: mdi:lightning-bolt
    device_class: energy
    address: 0x004A
    unit_of_measurement: "W"
    register_type: holding
    value_type: U_DWORD
    accuracy_decimals: 1
    filters:
      - multiply: 0.0001
    register_count: 1
    response_size: 4

# First channel energy
  - platform: modbus_controller
    modbus_controller_id: jsymk
    id: energy1
    name: "Energy 1"
    icon: mdi:lightning-bolt
    device_class: energy
    address: 0x004B
    unit_of_measurement: "kWh"
    state_class: total
    register_type: holding
    value_type: U_DWORD
    accuracy_decimals: 1
    filters:
      - multiply: 0.0001
    register_count: 1
    response_size: 4

# First channel power factor
  - platform: modbus_controller
    modbus_controller_id: jsymk
    id: powerfactor1
    name: "Power Factor 1"
    icon: mdi:alpha-p-box
    device_class: energy
    address: 0x004C
    register_type: holding
    value_type: U_DWORD
    accuracy_decimals: 1
    filters:
      - multiply: 0.001
    register_count: 1
    response_size: 4

# First channel negative active energy
  - platform: modbus_controller
    modbus_controller_id: jsymk
    id: negativeactiveenergy1
    #name: "Negative Active Energy 1"
    icon: mdi:lightning-bolt
    device_class: energy
    address: 0x004D
    unit_of_measurement: "kWh"
    state_class: total
    register_type: holding
    value_type: U_DWORD
    accuracy_decimals: 1
    filters:
      - multiply: 0.0001
    register_count: 1
    response_size: 4

# First channel current direction
  - platform: modbus_controller
    modbus_controller_id: jsymk
    id: direction1
    #name: "Current Direction 1"
    icon: mdi:arrow-right
    device_class: energy
    address: 0x004E
    register_type: holding
    value_type: U_DWORD
    accuracy_decimals: 0
    bitmask: 0X01000000
    filters:
      - multiply: 1
    register_count: 1
    response_size: 4

# Frequency
  - platform: modbus_controller
    modbus_controller_id: jsymk
    id: frequency
    name: "Frequency"
    icon: mdi:sine-wave
    device_class: energy
    address: 0x004F
    unit_of_measurement: "Hz"
    register_type: holding
    value_type: U_DWORD
    accuracy_decimals: 1
    filters:
      - multiply: 0.01
    register_count: 1
    response_size: 4

# Second channel voltage
  - platform: modbus_controller
    modbus_controller_id: jsymk
    id: voltage2
    #name: "Voltage 2"
    icon: mdi:alpha-v-box
    device_class: energy
    address: 0x0050
    unit_of_measurement: "V"
    register_type: holding
    value_type: U_DWORD
    accuracy_decimals: 1
    filters:
      - multiply: 0.0001
    register_count: 1
    response_size: 4

# Second channel current
  - platform: modbus_controller
    modbus_controller_id: jsymk
    id: current2
    name: "Current 2"
    icon: mdi:current-ac
    device_class: energy
    address: 0x0051
    unit_of_measurement: "A"
    register_type: holding
    value_type: U_DWORD
    accuracy_decimals: 1
    filters:
      - multiply: 0.0001
    register_count: 1
    response_size: 4

# Second channel power
  - platform: modbus_controller
    modbus_controller_id: jsymk
    id: power2
    name: "Power 2"
    icon: mdi:lightning-bolt
    device_class: energy
    address: 0x0052
    unit_of_measurement: "W"
    register_type: holding
    value_type: U_DWORD
    accuracy_decimals: 1
    filters:
      - multiply: 0.0001
    register_count: 1
    response_size: 4

# Second channel energy
  - platform: modbus_controller
    modbus_controller_id: jsymk
    id: energy2
    name: "Energy 2"
    icon: mdi:lightning-bolt
    device_class: energy
    address: 0x0053
    unit_of_measurement: "kWh"
    state_class: total
    register_type: holding
    value_type: U_DWORD
    accuracy_decimals: 1
    filters:
      - multiply: 0.0001
    register_count: 1
    response_size: 4

# Second channel power factor
  - platform: modbus_controller
    modbus_controller_id: jsymk
    id: powerfactor2
    name: "Power Factor 2"
    icon: mdi:alpha-p-box
    device_class: energy
    address: 0x0054
    register_type: holding
    value_type: U_DWORD
    accuracy_decimals: 1
    filters:
      - multiply: 0.001
    register_count: 1
    response_size: 4

# Second channel negative active energy
  - platform: modbus_controller
    modbus_controller_id: jsymk
    id: negativeactiveenergy2
    #name: "Negative Active Energy 2"
    icon: mdi:lightning-bolt
    device_class: energy
    address: 0x0055
    unit_of_measurement: "kWh"
    state_class: total
    register_type: holding
    value_type: U_DWORD
    accuracy_decimals: 1
    filters:
      - multiply: 0.0001
    register_count: 1
    response_size: 4

# Second channel current direction
  - platform: modbus_controller
    modbus_controller_id: jsymk
    id: direction2
    #name: "Current Direction 2"
    icon: mdi:arrow-right
    device_class: energy
    address: 0x004E
    register_type: holding
    value_type: U_DWORD
    accuracy_decimals: 0
    bitmask: 0X00010000
    filters:
      - multiply: 1
    register_count: 1
    response_size: 4