Smart Scale edited

## Node configuration ##
# Source https://gist.github.com/markusressel/e888544d4404fbed4c841ec83df638bb
# markusressel/esphome_hx711_smart_scale.yaml

esphome:
  name: scale-01
  platform: ESP8266
  board: esp12e

globals:
  - id: scale_01_initial_zero
    type: float
    restore_value: yes
    # NOTE: make sure to align this value to the one used in "calibrate_linear" below!
    initial_value: '-31060'  #'-481989'

  - id: scale_01_auto_tare_enabled
    type: bool
    restore_value: yes
    initial_value: 'true'

  - id: scale_01_auto_tare_difference
    type: float
    restore_value: yes
    initial_value: '0'

  - id: scale_01_manual_tare_flag
    type: bool
    restore_value: no
    initial_value: 'false'

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

#wifi:
 # fast_connect: True  # needed for hidden SSID
  #networks:
   # - ssid: 'YourSSID'
    #  bssid: '00:00:00:00:00:00'
     # password: 'YourPassword'
      #hidden: true
  #manual_ip:
  #  static_ip: 192.168.5.49
  #  gateway: 192.168.5.1
  #  subnet: 255.255.255.0

api:
  password: "YourApiPassword"

# Enable logging
logger:
  level: ERROR


ota:
  password: "06e5dcb2cfe4950d74460306be7606c1"

status_led:
  pin:
    number: GPIO2
    inverted: True

switch:
  ## Switch to enable/disable the auto tare feature
  - platform: template
    id: smart_scale_01_continuous_tare_enabled
    name: "Smart Scale 01 Continuous Tare Enabled"
    lambda: |-
      return id(scale_01_auto_tare_enabled);
    turn_on_action:
      - lambda: |-
          id(scale_01_auto_tare_enabled) = true;
    turn_off_action:
      - lambda: |-
          id(scale_01_auto_tare_enabled) = false;

  ## Switch used to initiate a manual tare
  - platform: template
    id: smart_scale_01_manual_tare_action_switch
    name: "Smart Scale 01 Manual Tare Action"
    lambda: |-
      return id(scale_01_manual_tare_flag);
    turn_on_action:
      - lambda: |-
          id(scale_01_auto_tare_difference) = id(scale_01_initial_zero) - id(smart_scale_01_hx711_value_raw).state;
      - switch.turn_off: smart_scale_01_manual_tare_action_switch
    turn_off_action:
      - lambda: |-
          id(scale_01_manual_tare_flag) = false;
## Sensor Configuration ##
sensor:
  # template sensors from global variables
  - platform: template
    id: smart_scale_01_initial_zero
    name: "Smart Scale 01 Initial Zero"
    lambda: |-
      return id(scale_01_initial_zero);
    update_interval: 1s

  - platform: template
    id: smart_scale_01_auto_tare_difference
    name: "Smart Scale 01 Auto Tare Difference"
    lambda: |-
      return id(scale_01_auto_tare_difference);
    update_interval: 1s

  # sensors imported from home assistant
  - platform: homeassistant
    id: homeassistant_scale_01_initial_zero
    entity_id: input_number.smart_scale_01_initial_zero
    on_value:
      then:
        - lambda: |-
            id(scale_01_initial_zero) = x;

  # RAW Scale input
  - platform: hx711
    id: smart_scale_01_hx711_value_raw
    internal: True #   <-- change this to False to see raw data
    dout_pin: MISO #D0
    clk_pin: SCK #D1
    gain: 128
    unit_of_measurement: g
    accuracy_decimals: 6
    update_interval: 0.2s
    filters:
      - sliding_window_moving_average:
          window_size: 3
          send_every: 1
    on_value:
      then:
        - sensor.template.publish:
            id: smart_scale_01_hx711_value
            state: !lambda 'return id(smart_scale_01_hx711_value_raw).state;'
        - if:
            condition:
              and:
                - lambda: 'return id(scale_01_auto_tare_enabled);'
                # current smart scale value is below approx. 10KG (raw value -275743) aka nobody is standing on the scale
                - lambda: 'return id(smart_scale_01_hx711_value).state < 10.0;'
            then:
              - if:
                  condition:
                    # current raw scale value is below expected zero value
                    - lambda: 'return id(smart_scale_01_hx711_value_raw).state < (id(scale_01_initial_zero) - id(scale_01_auto_tare_difference));'
                  then:
                    # INcrease Auto-Tare offset to slowly align real zero value with expected zero value
                    - lambda: |-
                        id(scale_01_auto_tare_difference) += 1.0;
                  else:
                    # DEcrease Auto-Tare offset to slowly align real zero value with expected zero value
                    - lambda: |-
                        id(scale_01_auto_tare_difference) -= 1.0;

  # Mapped value to g
  - platform: template
    id: smart_scale_01_hx711_value
    name: "Smart Scale 01 HX711 Value"
    internal: False
    filters:
      # apply auto_tare difference
      - lambda: 'return x + id(scale_01_auto_tare_difference);'
      # apply rough calibration
      - calibrate_linear:
          # retrieve these values by evaluating the raw values with loads of known mass.
          # note that a bigger difference between measurements usually results in higher resolution,
          # so measure 0 Kg and the highest known mass you have (like f.ex. your own weight, measured by a normal scale with good accuracy)
          #- -481989 -> 0
          #- 1339163 -> 88.3
            - -31060 -> 0.00000
            #- -39684 -> 1.00000
            - -16974 -> 10.00000
            - 59674 -> 50.00000
            - 349441 -> 200.00000
            - 441888  -> 250.00000
            - 733483 -> 400.00000
            - 926142 -> 500.00000
            - 1310869 -> 700.00000
            - 1694630 -> 900.00000
            - 1886776 -> 1000.00000
      # map values below 0.1 to 0 (to decrease value changes due to random fluctuation)
      - lambda: |-
          if (x <= 0.1) {
            return 0.0;
          } else {
            return x;
          }

    unit_of_measurement: g
    accuracy_decimals: 6
    update_interval: 0.2s
    force_update: True