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System Air ESP32 Bridge

Inspired from Airiana.

// Todo: write detailed README

Check out the bom.

The PCB-board is inspired by Crudus Sense project (which is a work in progress). Also the code share same library.

System Air ESP32 Bridge PCB Schematics

Home assistant

Enable MQTT Discovery.

MQTT configuration for Climate HVAC.

configuration.yaml:

mqtt:
  discovery: true
  discovery_prefix: homeassistant

climate:
  - platform: mqtt
    name: VR400
    unique_id: "SystemAir-68E6"
    modes:
      - "off"
      - "auto"
      - "heat"
      - "fan_only"
    mode_command_topic: systemair/68E6/mode/set
    mode_state_topic: systemair/68E6/mode/state
    fan_modes:
      - "Off"
      - "Low"
      - "Normal"
      - "High"
    fan_mode_state_topic: systemair/68E6/fan/state
    fan_mode_command_topic: systemair/68E6/fan/set
    current_temperature_template: "{{ value_json.extract }}"
    temperature_command_topic: systemair/68E6/temperature/set
    current_temperature_topic: systemair/68E6/temperature/state

Project notes: Kaldheim.org - system air