Nous A5t

The device comes with Tasmota installed, but can be reflashed to ESPHome.

GPIO Pinout

see pinout

Pin	Function
GPIO00	None
GPIO01	CSE7766 tx
GPIO02	LedLink
GPIO03	CSE7766 rx
GPIO04	None
GPIO05	Relay4i
GPIO09	None
GPIO10	None
GPIO12	Relay2
GPIO13	Relay3
GPIO14	Relay1
GPIO15	None
GPIO16	Button1
FLAG	None

Basic Configuration

substitutions:
  friendly_name: "A5T"
  devicename: "nous-a5t"
  device_description: "nous a5t"
  project_name: "Nous.A5T"
  project_version: "1.0"
  relay_restore_mode: RESTORE_DEFAULT_OFF

esphome:
  name: $devicename
  friendly_name: "${friendly_name}"
  name_add_mac_suffix: false
  project:
    name: "${project_name}"
    version: "${project_version}"

esp8266:
  board: esp8285
  restore_from_flash: true

preferences:
  flash_write_interval: 1min

logger:
  baud_rate: 0

uart:
  rx_pin: GPIO3
  baud_rate: 4800

api:
  encryption:
    key: !secret encryption

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

  # Enable fallback hotspot (captive portal) in case wifi connection fails
  ap:
    ssid: "${friendly_name} Fallback Hotspot"
    password: !secret wifi_ap_password

captive_portal:

ota:

# see: https://esphome.io/components/time.html
time:
  - platform: homeassistant
    id: homeassistant_time

globals:
  - id: total_energy
    type: float
    restore_value: yes
    initial_value: "0.0"

binary_sensor:
  - platform: status
    name: "${friendly_name} - Status"
    device_class: connectivity

  - platform: gpio
    pin:
      number: GPIO16
      # mode: INPUT_PULLUP
      inverted: True
    id: "button_state0"
    on_press:
      - switch.turn_off: relay1
      - switch.turn_off: relay2
      - switch.turn_off: relay3
      - switch.turn_off: relay4

sensor:
  - platform: uptime
    name: "${friendly_name} Uptime Sensor"

  # Small buttons over ADC - see https://templates.blakadder.com/nous_A5T.html
  - platform: adc
    pin: VCC
    id: a0_vcc
    update_interval: 1s
    internal: true
    filters:
      - clamp:
          min_value: 0
          max_value: 4
          ignore_out_of_range: true
      - timeout:
          timeout: 1s
          value: 4
    on_value_range:
      - below: 1.5
        then:
          - switch.toggle: relay3
      - above: 1.5
        below: 2.5
        then:
          - switch.toggle: relay2
      - above: 2.5
        below: 3.5
        then:
          - switch.toggle: relay1

  - platform: cse7766
    current:
      name: "${friendly_name} Current"
      filters:
        - throttle: 10s

    voltage:
      name: "${friendly_name} Voltage"
      filters:
        - multiply: 2.4
        - throttle: 10s

    power:
      name: "${friendly_name} Power"
      id: power_sensor
      filters:
        - multiply: 2.4
        - throttle: 1s

    energy:
      name: "${friendly_name} Energy"
      id: energy
      unit_of_measurement: kWh
      filters:
        # Multiplication factor from W to kW is 0.001
        # and multiple by 2.4 because of the voltage factor
        - multiply: 0.0024
        - throttle: 1s
      on_value:
        then:
          - lambda: |-
              static float previous_energy_value = 0.0;
              float current_energy_value = id(energy).state;
              id(total_energy) += current_energy_value - previous_energy_value;
              previous_energy_value = current_energy_value;

  - platform: template
    name: "${friendly_name} Total Energy"
    unit_of_measurement: kWh
    device_class: "energy"
    state_class: "total_increasing"
    icon: "mdi:lightning-bolt"
    accuracy_decimals: 3
    lambda: |-
      return id(total_energy);
    update_interval: 60s

light:
  - platform: status_led
    name: "${friendly_name} Status LED"
    id: blue_led
    disabled_by_default: true
    pin:
      inverted: true
      number: GPIO2

switch:
  - platform: gpio
    name: "${friendly_name} - Switch 1"
    pin: GPIO14
    id: relay1
    restore_mode: ${relay_restore_mode}

  - platform: gpio
    name: "${friendly_name} - Switch 2"
    pin: GPIO12
    id: relay2
    restore_mode: ${relay_restore_mode}

  - platform: gpio
    name: "${friendly_name} - Switch 3"
    pin: GPIO13
    id: relay3
    restore_mode: ${relay_restore_mode}

  - platform: gpio
    name: "${friendly_name} - USB Switch"
    pin: GPIO5
    inverted: True
    id: relay4
    restore_mode: ${relay_restore_mode}