ESPHome custom component for YKH531E IR remote control protocol. Controls compatible AC units via infrared signals.

Tested with: Frigidaire FHPC102AC1

Add to your ESPHome configuration:

external_components:
  - source: github://smazurov/esphome-ykh531e
    components: [ykh531e]

See ESPHome External Components for more installation options.

remote_transmitter:
  pin: GPIO14
  carrier_duty_percent: 50%

climate:
  - platform: ykh531e
    name: "AC Unit"
    supports_heat: false
    supports_cool: true
    use_fahrenheit: true # Optional: use Fahrenheit instead of Celsius

• Temperature: 16-32°C (60-90°F)
• Modes: Auto, Cool, Dry, Fan, Heat (untested)
• Fan Speed: Low, Medium, High, Auto
• Swing: Vertical only
• Presets: Sleep mode
• Units: Celsius or Fahrenheit

Connect IR transmitter to GPIO14 (or your preferred pin).

Optional: Connect IR receiver to GPIO27 to update climate state when using the physical remote control.

remote_receiver:
  pin: GPIO27

To modify and test:

# Install dependencies
uv sync

# Test compilation
uv run esphome compile test_device.yaml