ESPHome-Devices/devices/coffee_maker.yaml

substitutions:
  device_id: coffee_maker
  device_name: Coffee Maker
  platform: ESP8266
  board: nodemcuv2
  ip_address: !secret coffee_maker_ip
  ota_pwd: !secret coffee_maker_ota_pwd
  api_pwd: !secret coffee_maker_api_pwd
  ap_wifi_pwd: !secret coffee_maker_ap_wifi_pwd

packages:
  device_base: !include ../packages/device_base.yaml

binary_sensor:
  - platform: gpio
    id: power_light
    pin:
      number: D5
      mode: INPUT
      inverted: True
    filters:
      - delayed_on: 50ms
      - delayed_off: 50ms
  - platform: gpio
    id: bold_light
    pin:
      number: D6
      mode: INPUT
      inverted: True
    filters:
      - delayed_on: 50ms
      - delayed_off: 50ms

interval:
  - interval: 1s
    then:
      - lambda: |-
          // Coffee tastes better if allowed to "bloom" (wet the coffee and then let it sit for 30 seconds to release any trapped CO2 before completing brewing)
          // This logic automates this process regardless of how the coffee maker was turned on
          static int brewStage = 0;    // 0=Off, 1=Pre-Wet, 2=Bloom, 3=Brew
          static unsigned long brewStageChange = 0;
          static bool isBoldBrew = false;          
  
          // Coffee maker was off but now is on so it is in the pre-wet stage
          if (id(power_switch).state && brewStage == 0) {
            brewStage = 1;  //Pre-Wet
            brewStageChange = millis() + 75000;
            isBoldBrew = id(bold_switch).state;
          }
  
          // Coffee should be wet now so turn off and let it bloom
          else if (id(power_switch).state && brewStage == 1 && millis() >= brewStageChange) {
            id(power_switch).turn_off();
            brewStage = 2;  //Bloom
            brewStageChange = millis() + 45000;
          }
          
          // Coffee has bloomed so turn back on to finish brewing
          else if (!id(power_switch).state && brewStage == 2 && millis() >= brewStageChange) {
            if (isBoldBrew && !id(bold_switch).state) {
              id(bold_switch).turn_on();
            }
            id(power_switch).turn_on();
            brewStage = 3;  //Brew
          }
  
          // Manually powered off during Pre-Wet stage
          else if (!id(power_switch).state && brewStage == 1) {
            brewStage = 0;
          }
  
          // Manualy powered on during Bloom stage
          else if (id(power_switch).state && brewStage == 2) {
            brewStage = 3;
          }
  
          // Done brewing
          else if (!id(power_switch).state && brewStage == 3) {
            brewStage = 0;
          }

switch:
  - platform: template
    id: power_switch
    name: "Coffee Maker"
    icon: mdi:coffee
    lambda: 'return id(power_light).state;'
    turn_on_action:
      then:
        - lambda: |-
            if (!id(power_light).state) {
              id(power_switch_physical).turn_on();
              delay(200);
              id(power_switch_physical).turn_off();
              delay(100);
            }            
    turn_off_action:
      then:
        - lambda: |-
            if (id(power_light).state) {
              id(power_switch_physical).turn_on();
              delay(200);
              id(power_switch_physical).turn_off();
              delay(100);
            }            
  - platform: gpio
    id: power_switch_physical
    pin: D0
    inverted: true
  - platform: template
    id: bold_switch
    name: "Coffee Maker Bold Setting"
    icon: mdi:coffee
    lambda: 'return id(bold_light).state;'
    turn_on_action:
      then:
        - lambda: |-
            if (!id(bold_light).state) {
              id(bold_switch_physical).turn_on();
              delay(200);
              id(bold_switch_physical).turn_off();
              delay(100);
            }            
    turn_off_action:
      then:
        - lambda: |-
            if (id(bold_light).state) {
              id(bold_switch_physical).turn_on();
              delay(200);
              id(bold_switch_physical).turn_off();
              delay(100);
            }            
  - platform: gpio
    id: bold_switch_physical
    pin: D1
    inverted: true