cs2.yaml

# Setup for CircuitSetup 2 channel energy monitor
# https://esphome.io/components/sensor/atm90e32.html?highlight=circuitsetup
# 
# Tested gain settings:
# 120A/40mA: SCT-016: 19132 (2X PGA gain)
# Jameco 9VAC Transformer ACU090100/157041: 4034

substitutions:
  # Node naming
  device_name: 'cs2'

  # Calibrtion constants
  calibration_l1: '4034'
  calibration_l2: '4034'
  calibration_ct1: '19132'
  calibration_ct2: '19132'
  
  # Update intervals
  update_internal: 1s
  update_current: 2s
  update_voltage: 2s
  update_power: 2s
  update_frequency: 15s
  update_power_factor: 15s
  update_kwh: 30s
  update_wifi: 60s

# Device setup
esphome:
  name: ${device_name}
  platform: ESP32
  board: nodemcu-32s

# Wifi connection
wifi:
  ssid: !secret cs_wifi_ssid
  password: !secret cs_wifi_password
  manual_ip:
    static_ip: !secret cs2_static_ip
    gateway: !secret cs_wifi_gateway
    subnet: !secret cs_wifi_subnet

# MQTT broker setup
mqtt:
  broker: !secret cs_mqtt_broker 
  username: !secret cs_mqtt_username
  password: !secret cs_mqtt_password
  topic_prefix: ${device_name}
  

# Enable logging
logger:

# Enable Home Assistant API
api:
  #password: !secret cs_api_password

# Allow over the air updates
ota:

# Port used for the ESPHome dashboard
web_server:
  port: 80

# Pin assignments
spi:
  clk_pin: 18
  miso_pin: 19
  mosi_pin: 23

sensor:
  # Wifi
  - platform: wifi_signal
    name: ${device_name}_wifi
    update_interval: ${update_wifi}
    unit_of_measurement: dB

  # Grid measurements
  - platform: atm90e32
    cs_pin: 5
    line_frequency: 60Hz
    current_phases: 2
    gain_pga: 2X
    update_interval: ${update_internal}
    frequency:
      id: freq
      internal: true
    phase_a:
      gain_voltage: ${calibration_l1}
      gain_ct: ${calibration_ct1}
      voltage:
        id: l1v
        internal: true
      current:
        id: ct1c
        filters:
          - multiply: 2
        internal: true
      power:
        id: ct1p
        filters:
          - multiply: 2
        internal: true
      reactive_power:
        id: rp1
        filters:
          - multiply: 2
        internal: true
      power_factor:
        id: pf1
        internal: true

    phase_c:
      gain_voltage: ${calibration_l2}
      gain_ct: ${calibration_ct2}
      voltage:
        id: l2v
        internal: true
      current:
        id: ct2c
        filters:
          - multiply: 2
        internal: true
      power:
        id: ct2p
        filters:
          - multiply: 2
        internal: true
      reactive_power:
        id: rp2
        filters:
          - multiply: 2
        internal: true
      power_factor:
        id: pf2
        internal: true

# Total daily energy sensor (but doesn't reset at midnight)
  - platform: total_daily_energy
    id: tde
    power_id: activePower
    filters:
      - multiply: 0.001
    internal: true

  # Voltage templates  
  - platform: template
    name: ${device_name}_l1
    lambda: return id(l1v).state;
    accuracy_decimals: 1
    unit_of_measurement: V
    icon: "mdi:flash-circle"
    update_interval: ${update_voltage}
    
  - platform: template
    name: ${device_name}_l2
    lambda: return id(l2v).state;
    accuracy_decimals: 1
    unit_of_measurement: V
    icon: "mdi:flash-circle"
    update_interval: ${update_voltage}
    
  - platform: template
    name: ${device_name}_mains
    id: mainsvoltage
    lambda: return id(l1v).state + id(l2v).state;
    accuracy_decimals: 1
    unit_of_measurement: V
    icon: "mdi:flash-circle"
    update_interval: ${update_voltage}
    
  # Current templates
  - platform: template
    name: ${device_name}_ct1
    lambda: return id(ct1c).state;
    accuracy_decimals: 2
    unit_of_measurement: A
    icon: "mdi:flash-circle"
    update_interval: ${update_current}
    
  - platform: template
    name: ${device_name}_ct2
    lambda: return id(ct2c).state;
    accuracy_decimals: 2
    unit_of_measurement: A
    icon: "mdi:flash-circle"
    update_interval: ${update_current}

  # Active power templates
  - platform: template
    name: ${device_name}_ap1
    id: activePower1
    lambda: return id(ct1c).state * id(l1v).state;
    accuracy_decimals: 0
    unit_of_measurement: W
    icon: "mdi:flash-circle"
    update_interval: ${update_power}
    
  - platform: template
    name: ${device_name}_ap2
    id: activePower2
    lambda: return id(ct2c).state * id(l2v).state;
    accuracy_decimals: 0
    unit_of_measurement: W
    icon: "mdi:flash-circle"
    update_interval: ${update_power}

  - platform: template
    name: ${device_name}_ap_w
    id: activePower
    lambda: return id(activePower1).state + id(activePower2).state;
    accuracy_decimals: 0
    unit_of_measurement: W
    icon: "mdi:power-plug-outline"
    update_interval: ${update_power}
    
  - platform: template
    name: ${device_name}_ap_kw
    lambda: return id(activePower).state / 1000;
    accuracy_decimals: 3
    unit_of_measurement: kW
    icon: "mdi:power-plug-outline"
    update_interval: ${update_power}

  # Frequency and power factor templates
  - platform: template
    name: ${device_name}_frequency
    lambda: return id(freq).state;
    accuracy_decimals: 2
    unit_of_measurement: Hz
    icon: "mdi:sine-wave"
    update_interval: ${update_frequency}
    
  - platform: template
    name: ${device_name}_pf1
    lambda: return id(pf1).state;
    accuracy_decimals: 2
    unit_of_measurement: ""
    icon: "mdi:transmission-tower"
    update_interval: ${update_power_factor}

  - platform: template
    name: ${device_name}_pf2
    lambda: return id(pf2).state;
    accuracy_decimals: 2
    unit_of_measurement: ""
    icon: "mdi:transmission-tower"
    update_interval: ${update_power_factor}

  # Daily total
  - platform: template
    name: ${device_name}_today
    lambda: return id(tde).state;
    accuracy_decimals: 2
    unit_of_measurement: kWh
    icon: "mdi:counter"
    update_interval: ${update_kwh}


# Enable time component to reset total daily energy at midnight
time:
  - platform: sntp
    id: sntp_time    

# Reset button for remote use
switch:
  - platform: restart
    name: ${device_name}_restart