宜家 IKEA UPPÅTVIND 空气净化器智能改造方案

esphome:
  name: uppatvind

esp32:
  board: esp32dev
  framework:
    type: arduino

# Enable logging
logger:

# Enable Home Assistant API
api:

# Allow Over-The-Air updates
ota:
- platform: esphome

# Allow provisioning Wi-Fi via serial
improv_serial:

# Use ntp server from the mainland of China
time:
  - platform: sntp
    id: sntp_time
    timezone: Asia/Shanghai
    servers:
     - cn.pool.ntp.org
     - ntp.ntsc.ac.cn

# wifi connection
wifi:
  # Set up a wifi access point
  ap: {}

# In combination with the `ap` this allows the user
# to provision wifi credentials to the device via WiFi AP.
captive_portal:

dashboard_import:
  package_import_url: github://esphome/example-configs/esphome-web/esp32.yaml@main
  import_full_config: true

# Sets up Bluetooth LE (Only on ESP32) to allow the user
# to provision wifi credentials to the device.
esp32_improv:
  authorizer: none

# Internal state: record last activated fan speed
# to debounce when speed level goes from 3 to 0
number:
  - platform: template
    name: "Last Fan Speed PWM"
    max_value: 3
    min_value: -1
    step: 1
    internal: true
    initial_value: -1
    id: last_fan_speed_pwm
    optimistic: true

sensor:
  - platform: pulse_counter
    pin: 21
    name: "Fan Speed PWM"
    update_interval: 0.1s
    accuracy_decimals: 0
    unit_of_measurement: ''
    icon: mdi:speedometer
    id: pwm
    filters:
      - lambda: !lambda |-   # this section could be better or different...
          int SPEED_LEVEL_NONE = 100;
          int SPEED_LEVEL_ONE = 8000;
          int SPEED_LEVEL_TWO = 12300;
          int SPEED_LEVEL_THREE = 18000;

          int poff = 0;
          int y = int(x);
          auto call = id(last_fan_speed_pwm).make_call();
          if (id(last_fan_speed_pwm).state == 3) {
            if (y < SPEED_LEVEL_NONE) {
              call.set_value(0);
              call.perform();
              return 0;
            } else {
              call.set_value(3);
              call.perform();
              return 3;
            }
          }
          if (y < SPEED_LEVEL_NONE) {
            call.set_value(0);
            call.perform();
            return 0;
          } else if (y < SPEED_LEVEL_ONE) {
            call.set_value(1);
            call.perform();
            return 1;
          } else if (y < SPEED_LEVEL_TWO) {
            call.set_value(2);
            call.perform();
            return 2;
          } else if (y < SPEED_LEVEL_THREE) {
            call.set_value(3);
            call.perform();
            return 3;
          } else {
            call.set_value(0);
            call.perform();
            return 0;
          }
          
  - platform: pulse_width
    pin: 19
    id: led1
    name: Filter Replacement LED
    update_interval: 0.25s
    accuracy_decimals: 0
    unit_of_measurement: ""
    icon: mdi:led-outline
    filters:
      # The values after multiplied by 1000000 are 0, 20, 100, 320
      # and correspond to LED being off, low, med, high intensity.
      # The "pulse_width" sensor sometimes reads non-0 (e.g 221) when
      # the LED is off which is why 0 (off state) is returned in the
      # default case.
      - multiply: 1000000
      - lambda: !lambda |- 
          if (int(x) > 24000) {
            return 1;
          } else {
            return 0;
          }
      - max:
          window_size: 3
          send_every: 3
          send_first_at: 1
      - or:
        - delta: 0.5
        - throttle: 60s

output:
  - platform: gpio
    pin:
      number: 18
      inverted: true  
      # "Open drain" used so the Wemos does't pull the pin 
      # up or down when it's not being pressed.
      mode: OUTPUT_OPEN_DRAIN
    id: speed_switch_gpio

button:
  - platform: output
    name: "Fan Speed Button"
    output: speed_switch_gpio
    duration: 100ms