ESPhome and deep sleep

ESPHome
11

@moci and @tom_l You could actually use this method…

Set up a ESP like this (code below) and it will subscribe to the message on the MQTT server, se it when it wakes up and take that value and set it to be the deep sleep duration value. Make sure the value you are sending as the topic however is in milliseconds.

I believe this call:

    on_value:
      then:
       - lambda: |-
          id(deep_sleep_1).set_sleep_duration(id(custom_sleep_time).state);

is not is not documented but it works fine for me :).

substitutions:
  devicename: wemos_weather_station
  friendly_devicename: weather station

esphome:
  name: $devicename
  platform: ESP8266
  board: d1_mini_pro

wifi:
  fast_connect: true
  ssid: !secret wifi_ssid
  password: !secret wifi_password
  manual_ip:
    static_ip: 192.168.1.201
    gateway: 192.168.1.1
    subnet: 255.255.255.0

# Enable fallback hotspot (captive portal) in case wifi connection fails
  ap:
    ssid: "Wemos WS Fallback Hotspot"
    password: !secret ota_password

# NO API when using battery device
# api:
#   password: !secret api_password

mqtt:
  broker: '192.168.1.7'
  username: !secret mqtt_username
  password: !secret mqtt_password
  discovery: false
  discovery_retain: false
  birth_message:
  will_message:
  on_message:
    - topic: esp/ota_mode
      payload: 'ON'
      then:
        - deep_sleep.prevent: deep_sleep_1

# Enable logging
logger:
  level: INFO

ota:
  password: !secret ota_password

sensor:
  - platform: wifi_signal
    name: $friendly_devicename signal strength

  - platform: mqtt_subscribe
    name: "Sleep time topic"
    id: custom_sleep_time
    unit_of_measurement: ms
    accuracy_decimals: 0
    topic: esp/sleep_mode_time
    on_value:
      then:
       - lambda: |-
          id(deep_sleep_1).set_sleep_duration(id(custom_sleep_time).state);

switch:
  - platform: restart
    id: reboot_esp
    name: $friendly_devicename restart switch

deep_sleep:
  id: deep_sleep_1
  sleep_duration: 300s
  run_duration: 1s
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