KWS-306F Esphome profile

smartmeter.yml

substitutions:
  device: smartmetervz55
  friendly_name: "Medidor VZ55"

esphome:
  name: smartmetervz55
  friendly_name: ${friendly_name}
  on_boot:
    priority: 800.0
    then:
      - switch.turn_on: global_power_switch
      - delay: 2s
      - switch.turn_on: refresh

bk72xx:
  board: cbu

# Enable logging
logger:
  level: INFO
  baud_rate: 0

uart:
  tx_pin: P11
  rx_pin: P10
  baud_rate: 9600

<<: !include network.yaml

time:
  - platform: sntp
    id: sntp_time
    timezone: America/Sao_Paulo
    servers:
     - a.st1.ntp.br
     - a.ntp.br
     - gps.ntp.br
    on_time_sync:
      then:
        - logger.log: "Synchronized sntp clock"
  - platform: homeassistant
    id: homeassistant_time

tuya:
  time_id: sntp_time

button:
  - platform: restart
    name: ${friendly_name} Restart

# Force refresh otherwise the RISC-V onboard doesnt let us know up to date data
interval:
  - interval: 10s
    startup_delay: 30s
    then:
      - switch.turn_off: refresh
      - delay: 100ms
      - switch.turn_on: refresh
      - delay: 100ms
      - switch.turn_off: refresh
      - delay: 100ms
      - switch.turn_on: refresh

switch:
  - platform: "tuya"
    name: ${friendly_name} Power Switch
    id: global_power_switch
    switch_datapoint: 16

  - platform: tuya
    name: ${friendly_name} Clear runtime
    switch_datapoint: 119

  - platform: tuya
    name: ${friendly_name} Clear energy
    switch_datapoint: 120

  - platform: "tuya"
    name: ${friendly_name} Refresh
    id: refresh
    switch_datapoint: 134

sensor:
  - platform: tuya
    name: ${friendly_name} Runtime
    id: runtime
    sensor_datapoint: 106
    unit_of_measurement: "min"
    accuracy_decimals: 0

  - platform: tuya
    name: ${friendly_name} Network Frequency
    id: network_frequency
    sensor_datapoint: 107
    unit_of_measurement: "Hz"
    accuracy_decimals: 2

  - platform: tuya
    name: ${friendly_name} Temperature
    id: temperature
    sensor_datapoint: 108
    unit_of_measurement: "°C"
    accuracy_decimals: 1

  - platform: tuya
    name: ${friendly_name} Voltage A
    id: voltage_a
    sensor_datapoint: 125
    unit_of_measurement: "V"
    device_class: voltage
    accuracy_decimals: 2
    filters:
      - lambda: |-
          return x * 0.01;

  # Current A (DP 126 scale 1000)
  - platform: tuya
    name: ${friendly_name} Current A
    id: current_a
    sensor_datapoint: 126
    unit_of_measurement: "A"
    device_class: current
    accuracy_decimals: 3
    filters:
      - lambda: |-
          return x * 0.001;

  # Power A (DP 127) unit W
  - platform: tuya
    name: ${friendly_name} Power A
    id: power_a
    sensor_datapoint: 127
    unit_of_measurement: "W"
    accuracy_decimals: 0

  # Voltage B (DP 128 scale 100)
  - platform: tuya
    name: ${friendly_name} Voltage B
    id: voltage_b
    sensor_datapoint: 128
    unit_of_measurement: "V"
    device_class: voltage
    accuracy_decimals: 2
    filters:
      - lambda: |-
          return x * 0.01;

  # Current B (DP 129 scale 1000)
  - platform: tuya
    name: ${friendly_name} Current B
    id: current_b
    sensor_datapoint: 129
    unit_of_measurement: "A"
    device_class: current
    accuracy_decimals: 3
    filters:
      - lambda: |-
          return x * 0.001;

  # Power B (DP 130) W
  - platform: tuya
    name: ${friendly_name} Power B
    id: power_b
    sensor_datapoint: 130
    unit_of_measurement: "W"
    accuracy_decimals: 0

  # Voltage C (DP 131 scale 100)
  - platform: tuya
    name: ${friendly_name} Voltage C
    id: voltage_c
    sensor_datapoint: 131
    unit_of_measurement: "V"
    device_class: voltage
    accuracy_decimals: 2
    filters:
      - lambda: |-
          return x * 0.01;

  # Current C (DP 132 scale 1000)
  - platform: tuya
    name: ${friendly_name} Current C
    id: current_c
    sensor_datapoint: 132
    unit_of_measurement: "A"
    device_class: current
    accuracy_decimals: 3
    filters:
      - lambda: |-
          return x * 0.001;

  # Power C (DP 133) W
  - platform: tuya
    name: ${friendly_name} Power C
    id: power_c
    sensor_datapoint: 133
    unit_of_measurement: "W"
    accuracy_decimals: 0

  # Main device energy (DP 136, scale: 100 -> divide by 100)
  - platform: tuya
    name: ${friendly_name} Energy meter Energy
    id: energy_meter_energy
    sensor_datapoint: 136
    unit_of_measurement: "kWh"
    device_class: energy
    state_class: total_increasing
    accuracy_decimals: 2
    filters:
      - lambda: |-
          return x * 0.01;

  # Power (DP 135), unit W
  - platform: tuya
    name: ${friendly_name} Energy meter Power
    id: energy_meter_power
    sensor_datapoint: 135
    unit_of_measurement: "W"
    accuracy_decimals: 0

  # Energy consumed A (DP 137, scale 100)
  - platform: tuya
    name: ${friendly_name} Energy consumed A
    id: energy_consumed_a
    sensor_datapoint: 137
    unit_of_measurement: "kWh"
    device_class: energy
    state_class: total_increasing
    accuracy_decimals: 2
    filters:
      - lambda: |-
          return x * 0.01;

  # Energy consumed B (DP 138, scale 100)
  - platform: tuya
    name: ${friendly_name} Energy consumed B
    id: energy_consumed_b
    sensor_datapoint: 138
    unit_of_measurement: "kWh"
    device_class: energy
    state_class: total_increasing
    accuracy_decimals: 2
    filters:
      - lambda: |-
          return x * 0.01;

  # Energy consumed C (DP 139, scale 100)
  - platform: tuya
    name: ${friendly_name} Energy consumed C
    id: energy_consumed_c
    sensor_datapoint: 139
    unit_of_measurement: "kWh"
    device_class: energy
    state_class: total_increasing
    accuracy_decimals: 2
    filters:
      - lambda: |-
          return x * 0.01;

  # PF
  # Power factor (diagnostic DP 101 scale 100)
  - platform: tuya
    name: ${friendly_name} Power factor (overall)
    id: power_factor_all
    sensor_datapoint: 101
    unit_of_measurement: "PF"
    accuracy_decimals: 2
    filters:
      - lambda: |-
          return x * 0.01;

  # Power factor A (DP 124 scale 100)
  - platform: tuya
    name: ${friendly_name} Power factor A
    id: power_factor_a
    sensor_datapoint: 124
    unit_of_measurement: "PF"
    accuracy_decimals: 2
    filters:
      - lambda: |-
          return x * 0.01;

  # Power factor B (DP 103 scale 100)
  - platform: tuya
    name: ${friendly_name} Power factor B
    id: power_factor_b
    sensor_datapoint: 103
    unit_of_measurement: "PF"
    accuracy_decimals: 2
    filters:
      - lambda: |-
          return x * 0.01;

  # Power factor C (DP 122 scale 100)
  - platform: tuya
    name: ${friendly_name} Power factor C
    id: power_factor_c
    sensor_datapoint: 122
    unit_of_measurement: "PF"
    accuracy_decimals: 2
    filters:
      - lambda: |-
          return x * 0.01;

  # Total energy A (DP 102 scale 100)
  - platform: tuya
    name: ${friendly_name} Total energy A
    id: total_energy_a
    sensor_datapoint: 102
    unit_of_measurement: "kWh"
    device_class: energy
    state_class: total_increasing
    accuracy_decimals: 2
    filters:
      - lambda: |-
          return x * 0.01;

  # Total energy B (DP 104 scale 100)
  - platform: tuya
    name: ${friendly_name} Total energy B
    id: total_energy_b
    sensor_datapoint: 104
    unit_of_measurement: "kWh"
    device_class: energy
    state_class: total_increasing
    accuracy_decimals: 2
    filters:
      - lambda: |-
          return x * 0.01;

  # Total energy C (DP 105 scale 100)
  - platform: tuya
    name: ${friendly_name} Total energy C
    id: total_energy_c
    sensor_datapoint: 105
    unit_of_measurement: "kWh"
    device_class: energy
    state_class: total_increasing
    accuracy_decimals: 2
    filters:
      - lambda: |-
          return x * 0.01;


number:
  # Overvoltage (DP 110) V
  - platform: tuya
    name: ${friendly_name} Overvoltage
    number_datapoint: 110
    min_value: 130
    max_value: 290
    step: 1

  # Low voltage (DP 111) V
  - platform: tuya
    name: ${friendly_name} Low voltage
    number_datapoint: 111
    min_value: 85
    max_value: 220
    step: 1

  # Overcurrent (DP 112) A - mapping: scale 100
  - platform: tuya
    name: ${friendly_name} Overcurrent
    number_datapoint: 112
    min_value: 0
    max_value: 9999
    step: 1
    multiply: 100 # original mapping used scale: 100

  # Over power (DP 113) kW - mapping scale 100 (use multiply to match tuya's integer behaviour)
  - platform: tuya
    name: ${friendly_name} Over power
    number_datapoint: 113
    min_value: 0
    max_value: 2320
    step: 1
    multiply: 100

  # Over energy (DP 114) kWh
  - platform: tuya
    name: ${friendly_name} Over energy
    number_datapoint: 114
    min_value: 0
    max_value: 99999999
    step: 1

  # Over temperature (DP 115) °C
  - platform: tuya
    name: ${friendly_name} Over temperature
    number_datapoint: 115
    min_value: 0
    max_value: 150
    step: 1

  # Screen timeout (DP 118) min
  - platform: tuya
    name: ${friendly_name} Screen timeout
    number_datapoint: 118
    min_value: 0
    max_value: 59
    step: 1

  # Timer (DP 109) seconds, range -1..86400
  - platform: tuya
    name: ${friendly_name} Timer
    number_datapoint: 109
    min_value: -1
    max_value: 86400
    step: 1

  # Voltage balance (DP 116) V
  - platform: tuya
    name: ${friendly_name} Voltage balance
    number_datapoint: 116
    min_value: 0
    max_value: 100
    step: 1

  # Current balance (DP 117) A
  - platform: tuya
    name: ${friendly_name} Current balance
    number_datapoint: 117
    min_value: 0
    max_value: 800
    step: 1%