home-assistant.yaml

# Lovelace UI

entities:
  - entity: switch.rack_manual_fan
  - entity: input_number.inlet_fan_speed
  - entity: input_number.outlet_fan_speed
  - entity: sensor.rack_inlet_temperature
  - entity: sensor.rack_outlet_temperature
  - entity: sensor.rack_inlet_humidity
  - entity: sensor.rack_outlet_humidity
type: entities
title: Rack

# configuration.yaml:

switch:
  - platform: mqtt
    name: Rack Manual Fan
    state_topic: "rack/manual_fan_state"
    command_topic: "rack/manual_fan"
    qos: 1
    payload_on: "1"
    payload_off: "0"

sensor:
  - platform: mqtt
    name: "Rack Inlet Temperature"
    state_topic: "rack/inlet/temp"
    unit_of_measurement: "°F"

  - platform: mqtt
    name: "Rack Outlet Temperature"
    state_topic: "rack/outlet/temp"
    unit_of_measurement: "°F"

  - platform: mqtt
    name: "Rack Inlet Humidity"
    state_topic: "rack/inlet/humidity"
    unit_of_measurement: "%"

  - platform: mqtt
    name: "Rack Outlet Humidity"
    state_topic: "rack/outlet/humidity"
    unit_of_measurement: "%"

input_number:
  inlet_fan_speed:    
    name: "Inlet Fan Speed"
    min: 0
    max: 100
    step: 1
    icon: mdi:fan
    unit_of_measurement: '%'
    
  outlet_fan_speed:    
    name: "Outlet Fan Speed"
    min: 0
    max: 100
    step: 1
    icon: mdi:fan
    unit_of_measurement: '%'

automation:
  - alias: inletfan
    trigger:
      platform: state
      entity_id: input_number.inlet_fan_speed
    action:
      service: mqtt.publish
      data_template:
        topic: 'rack/inlet/fan_speed'
        retain: true
        payload: "{{ states.input_number.inlet_fan_speed.state | int }}"

  - alias: outletfan
    trigger:
      platform: state
      entity_id: input_number.outlet_fan_speed
    action:
      service: mqtt.publish
      data_template:
        topic: 'rack/outlet/fan_speed'
        retain: true
        payload: "{{ states.input_number.outlet_fan_speed.state | int }}"
        
# MQTT in (subscribe)        
  - alias: Set outlet fan speed slider
    trigger:
      platform: mqtt
      topic: "rack/outlet/fan_speed"
    action:
      service: input_number.set_value
      data_template:
        entity_id: input_number.outlet_fan_speed
        value: '{{ trigger.payload | int }}'

  - alias: Set inlet fan speed slider
    trigger:
      platform: mqtt
      topic: "rack/inlet/fan_speed"
    action:
      service: input_number.set_value
      data_template:
        entity_id: input_number.inlet_fan_speed
        value: '{{ trigger.payload | int }}'