SwitchBot Plug Mini ESPHome

switchbot-plug-mini-esphome.yml

substitutions:
  device_name:  switchbot-plug-1
  device_description: Energy Monitoring Smart Plug (W1901400)
  friendly_name: SwitchBot Plug Mini

esphome:
  name: ${device_name}
  comment: ${device_description}
  platformio_options:
    board_build.flash_mode: dio

esp32:
  board: esp32-c3-devkitm-1
  variant: ESP32C3
  framework:
    type: esp-idf

# Enable logging
logger:

# Enable Home Assistant API
api:
  encryption:
    key: "api_secret"

ota:
  password: "ota_password"

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

  # Enable fallback hotspot in case wifi connection fails
  ap:
    ssid: "Switchbot-Plug-1"
    password: "pS90LetQoL5k"

# Enable time component for use by daily power sensor
time:
  - platform: homeassistant
    id: homeassistant_time

binary_sensor:
  # Reports when the button is pressed
  - platform: gpio
    device_class: power
    pin:
      number: GPIO02
      inverted: True
    name: ${friendly_name} Button
    on_press:
      - switch.toggle: relay

  # Reports if this device is Connected or not
  - platform: status
    name: ${friendly_name} Status

sensor:
  # Reports how long the device has been powered (in minutes)
  - platform: uptime
    name: ${friendly_name} Uptime
    filters:
      - lambda: return x / 60.0;
    unit_of_measurement: minutes

  # Reports the WiFi signal strength
  - platform: wifi_signal
    name: ${friendly_name} Wifi Signal
    update_interval: 60s

  # Reports the Current, Voltage, and Power used by the plugged-in device (not counting this plug's own usage of about 0.8W/0.019A, so subtract those when calibrating with this plugged into a Kill-A-Watt type meter)
  - platform: hlw8012
    sel_pin:
      number: GPIO020
      inverted: True
    cf_pin: GPIO018
    cf1_pin: GPIO019
    current_resistor: 0.001 #The value of the shunt resistor for current measurement. Defaults to the Sonoff POW’s value 0.001 ohm.
    # voltage_divider: 2401 # Commented out, using default
    power:
      name: ${friendly_name} Power
      unit_of_measurement: W
      id: wattage
    current:
      name: ${friendly_name} Current
      unit_of_measurement: A
    voltage:
      name: ${friendly_name} Voltage
      unit_of_measurement: V
    change_mode_every: 1 #Skips first reading after each change, so this will double the update interval. Default 8
    update_interval: 10s #10s setting => 20 second effective update rate for Power, 40 second for Current and Voltage. Default 60s

  # Reports the total Power so-far each day, resets at midnight, see https://esphome.io/components/sensor/total_daily_energy.html
  - platform: total_daily_energy
    name: ${friendly_name} Total Daily Energy
    power_id: wattage
    filters:
      - multiply: 0.001 ## convert Wh to kWh
    unit_of_measurement: kWh

text_sensor:
  # Reports the ESPHome Version with compile date
  - platform: version
    name: ${friendly_name} ESPHome Version

switch:
  - platform: gpio
    name: ${friendly_name}
    pin: GPIO06
    id: relay
    restore_mode: RESTORE_DEFAULT_OFF #Try to restore relay state after reboot/power-loss event.
    #RESTORE_DEFAULT_OFF (Default) - Attempt to restore state and default to OFF if not possible to restore. Uses flash write cycles.
    #RESTORE_DEFAULT_ON - Attempt to restore state and default to ON. Uses flash write cycles.
    #ALWAYS_OFF - Always initialize the pin as OFF on bootup. Does not use flash write cycles.
    #ALWAYS_ON - Always initialize the pin as ON on bootup. Does not use flash write cycles.
    on_turn_on:
      - light.turn_on:
          id: blue_led
          brightness: 100%
    on_turn_off:
      - light.turn_off: blue_led

output:
  - platform: ledc
    id: white_output
    pin: GPIO07
    frequency: 19531Hz
  - platform: ledc
    id: blue_output
    pin: GPIO08
    frequency: 19531Hz
light:
  - platform: monochromatic
    name: ${friendly_name} White LED
    output: white_output
    id: white_led
    restore_mode: ALWAYS_OFF #Start with light off after reboot/power-loss event.
    #RESTORE_DEFAULT_OFF (Default) - Attempt to restore state and default to OFF if not possible to restore. Uses flash write cycles.
    #RESTORE_DEFAULT_ON - Attempt to restore state and default to ON. Uses flash write cycles.
    #ALWAYS_OFF - Always initialize the pin as OFF on bootup. Does not use flash write cycles.
    #ALWAYS_ON - Always initialize the pin as ON on bootup. Does not use flash write cycles.
    effects:
      - strobe:
      - flicker:
          alpha: 50% #The percentage that the last color value should affect the light. More or less the “forget-factor” of an exponential moving average. Defaults to 95%.
          intensity: 50% #The intensity of the flickering, basically the maximum amplitude of the random offsets. Defaults to 1.5%.
      - lambda:
          name: Throb
          update_interval: 1s
          lambda: |-
            static int state = 0;
            auto call = id(white_led).turn_on();
            // Transtion of 1000ms = 1s
            call.set_transition_length(1000);
            if (state == 0) {
              call.set_brightness(1.0);
            } else {
              call.set_brightness(0.01);
            }
            call.perform();
            state += 1;
            if (state == 2)
              state = 0;
  - platform: monochromatic
    name: ${friendly_name} Blue LED
    output: blue_output
    id: blue_led
    restore_mode: ALWAYS_OFF #Start with light off after reboot/power-loss event.
    #RESTORE_DEFAULT_OFF (Default) - Attempt to restore state and default to OFF if not possible to restore. Uses flash write cycles.
    #RESTORE_DEFAULT_ON - Attempt to restore state and default to ON. Uses flash write cycles.
    #ALWAYS_OFF - Always initialize the pin as OFF on bootup. Does not use flash write cycles.
    #ALWAYS_ON - Always initialize the pin as ON on bootup. Does not use flash write cycles.
    effects:
      - strobe:
      - flicker:
          alpha: 50% #The percentage that the last color value should affect the light. More or less the “forget-factor” of an exponential moving average. Defaults to 95%.
          intensity: 50% #The intensity of the flickering, basically the maximum amplitude of the random offsets. Defaults to 1.5%.
      - lambda:
          name: Throb
          update_interval: 1s
          lambda: |-
            static int state = 0;
            auto call = id(blue_led).turn_on();
            // Transtion of 1000ms = 1s
            call.set_transition_length(1000);
            if (state == 0) {
              call.set_brightness(1.0);
            } else {
              call.set_brightness(0.01);
            }
            call.perform();
            state += 1;
            if (state == 2)
              state = 0;

# Blink the red light if we aren't connected to WiFi. Could use https://esphome.io/components/status_led.html instead but then we couldn't use the red light for other things as well.
interval:
  - interval: 500ms
    then:
      - if:
          condition:
            not:
              wifi.connected:
          then:
            - light.turn_on:
                id: white_led
                brightness: 100%
                transition_length: 0s
            - delay: 250ms
            - light.turn_off:
                id: white_led
                transition_length: 250ms