immersion-heater-sonoff-pow-r3.yaml

# Immersion heater switch - a Sonoff POWR3 which runs an esp8266
# 
# This is used to provide automation control to a UK hot water cylinders
# immersion heater - primarily to make use of octopus energy plunge pricing
# to heat the hot water cylinder.

substitutions:
  friendly_name: Immersion Heater Switch

esphome:
  name: immersion-heater
  friendly_name: ${friendly_name}

esp8266:
  board: esp8285

packages:
  wifi: !include shared-wifi.yaml
  sensor: !include default-esp8285-sensors.yaml

<<: !include shared.yaml

time:
  - platform: homeassistant
    timezone: Europe/London

#GPIO0 Button (inverted)
#GPIO12 Relay and Red LED
#GPIO13 Blue LED (inverted)

uart:
  rx_pin: RX
  baud_rate: 4800

binary_sensor:
  - platform: gpio
    pin:
      number: GPIO0
      mode: INPUT_PULLUP
      inverted: True
    name: "${friendly_name} Button"
    on_press:
      - switch.toggle: fakebutton

switch:
  - platform: template
    name: "${friendly_name} Relay"
    optimistic: true
    id: fakebutton
    turn_on_action:
    - switch.turn_on: relay
    - light.turn_on: led
    turn_off_action:
    - switch.turn_off: relay
    - light.turn_off: led
  - platform: gpio
    id: relay
    inverted: yes
    pin: GPIO12
    restore_mode: RESTORE_DEFAULT_ON

output:
  - platform: esp8266_pwm
    id: pow_blue_led
    pin:
      number: GPIO13
      inverted: True

light:
  - platform: monochromatic
    name: "${friendly_name} Blue LED"
    output: pow_blue_led
    id: led
    internal: true

dallas:
  - pin: GPIO4

sensor:
  - platform: cse7766
    update_interval: 2s
    current:
      name: "${friendly_name} Current"
    voltage:
      name: "${friendly_name} Voltage"
    power:
      name: "${friendly_name} Power"
    energy:
      name: "${friendly_name} Energy"

  - platform: dallas
    address: "0x5100000017c49c28"
    name: "${friendly_name} Temperature"