hydro_controler.yaml

esphome:
  name: hydro-contr
  platform: ESP32
  board: nodemcu-32s

wifi:

# Network setup using secrets in HomeAssistants ESPHome integration, if you don't use secrets. replace the "!secret...." part with your network information
  networks:
  - ssid: !secret wifi_ssid
  - password: !secret wifi_password
  use_address: 10.0.0.15. # Change to an IP reservered for your ESP, you should always use a static IP
  manual_ip:
    static_ip: 10.0.0.15
    gateway: 10.0.0.1
    subnet: 255.255.255.0
  # Enable fallback hotspot (captive portal) in case wifi connection fails
  ap:
    ssid: "Hydrocontroller Fallback Hotspot"
    password: "SuperSecretPassword"

captive_portal:

# Enable logging
logger:

# Enable Home Assistant API
api:

# Enable Over The Air (OTA) firmware updates

ota:

# Font setup for the infos displayed on the

font:
  - file: "fonts/Roboto-Light.ttf"
    id: my_font
    size: 15

  - file: "fonts/Roboto-Bold.ttf"
    id: my_font1
    size: 15

  - file: "fonts/Roboto-Bold.ttf"
    id: my_font2
    size: 18

  - file: "fonts/Roboto-Light.ttf"
    id: my_font3
    size: 10

  - file: 'fonts/Roboto-Light.ttf'
    id: font1
    size: 8

  - file: 'fonts/Roboto-Light.ttf'
    id: font2
    size: 25

  - file: 'fonts/Roboto-Light.ttf'
    id: font3
    size: 14

  - file: 'fonts/Roboto-Bold.ttf'
    id: font4
    size: 48

  - file: 'fonts/Roboto-Light.ttf'
    id: font5
    size: 20


time:
  - platform: homeassistant
    id: esptime


# i2c pin config for the OLED display

i2c:
  sda: 21
  scl: 22

# Temperature probe pin setting

dallas:
  - pin: 27


# Create a switch for each relay (pump, aerator, valve 1 and valve 2)

switch:

  - platform: gpio
    name: "Hydro-Water-Pump"
    id: water_pump
    pin:
      number: 17
      inverted: yes

  - platform: gpio
    name: "Hydro-Air-Pump"
    id: air_pump
    pin:
      number: 18
      inverted: yes

  - platform: gpio
    name: "Hydro-Valve-Buckets"
    id: valve_buckets
    pin:
      number: 16
      inverted: yes

  - platform: gpio
    name: "Hydro-Valve-Pipe"
    id: valve_pipe
    pin:
      number: 13
      inverted: yes

sensor:

# WIFI Signal stats

  - platform: wifi_signal
    name: "${devicename} WiFi Signal Sensor"
    id: rssi_sensor
    update_interval: 15s
  - platform: template
    name: "Wifi Quality Hydro Controller"
    unit_of_measurement: "%"
    accuracy_decimals: 0
    icon: "mdi:wifi"
    update_interval: 15s
    lambda: |-
        int quality;
        const int rssi = id(rssi_sensor).state;
          if (rssi <= -100) { quality = 0;}
          else if (rssi >= -50)
          {  quality = 100; }
          else
          {  quality = 2 * (rssi + 100); }
          return quality;

# Water tank temperature

  - platform: dallas
    index: 0
    id: water_temp
    name: "Hydro-Reservoir-Temperature"

# Capture tank water level

  - platform: ultrasonic
    trigger_pin: 25
    echo_pin: 26
    name: "Hydro-Ultrasonic-Sensor"
    id: water_level
    update_interval: 15s
    pulse_time: 20us
    unit_of_measurement: "%"
    accuracy_decimals: 0
    timeout: 4.0m
    filters:

      - median:
          window_size: 7
          send_every: 3
          send_first_at: 3
      - lambda: |-
          if ((x-0.4) > 0.0) return ((x-0.4)/(0.06-0.4)) * -100.0;
          else return ((x-0.4)/(0.06-0.4))*100;

      - filter_out: nan

# Capture flow rate for each water curcuit

  - platform: pulse_counter
    name: "Hydro-Flow-Rate-Buckets"
    id: flow_buckets
    pin: 32
    update_interval: 5s
    filters:
    - lambda: return (x / 450) / 3.78541;
    unit_of_measurement: "GPM"
    accuracy_decimals: 1

  - platform: pulse_counter
    name: "Hydro-Flow-Rate-Pipe"
    id: flow_pipe
    pin: 19
    update_interval: 5s
    filters:
    - lambda: return (x / 450) / 3.78541;
    unit_of_measurement: "GPM"
    accuracy_decimals: 1


## Display basic info on the OLED display

display:
  - platform: ssd1306_i2c
    model: "SSD1306 128x64"
    address: 0x3C
    id: my_display
    pages:
    - id: page1
      lambda: |-
        it.print(0, 0,id(my_font), "RESERVOIR");
        it.printf(0, 17, id(my_font),"Temp:");it.printf(67, 17, id(my_font1),"%.1f°C",id(water_temp).state);
        it.print(0, 33, id(my_font),"pH Value:");it.print(67, 33, id(my_font1),"5.5");
        it.printf(0, 49, id(my_font),"Water lvl:");it.printf(67, 49, id(my_font1),"%.0f%%",id(water_level).state);

    - id: page2
      lambda: |-
        if (id(valve_buckets).state) {
        it.print(0, 0, id(my_font),"BUCKETS");
        it.printf(0, 60, id(font5),TextAlign::BASELINE_LEFT,"%.1f GPM",id(flow_buckets).state);
        } else {
          it.print(0, 0, id(my_font),"BUCKETS");
          it.print(0, 60, id(font4),TextAlign::BASELINE_LEFT,"OFF");
        }


    - id: page3
      lambda: |-
        if (id(valve_pipe).state) {
        it.print(0, 0, id(my_font),"PIPE");
        it.printf(0, 60, id(font4),TextAlign::BASELINE_LEFT," %.1f",id(flow_pipe).state);it.print(127, 60, id(font5),TextAlign::BASELINE_RIGHT,"GPM");
        } else {
          it.print(0, 0, id(my_font),"PIPE");
          it.print(0, 60, id(font4),TextAlign::BASELINE_LEFT,"OFF");
        }


# OLED display - cycle through pages on a timer
interval:
  - interval: 3s
    then:
      - display.page.show_next: my_display
      - component.update: my_display