Home-Assistant-AC

Home Assistant Compatible AC Retrofit.

ESP-32 Diagram

Pin Connections

• Wifi LED: GPIO25
• AC Reset Pin: GPIO13
• AC Cool Button Pin: GPIO16
• AC Fan Pin: GPIO17
• AC Exhaust Pin: GPIO18
• AC Off Pin: GPIO19
• AC Fan Up Pin: GPIO21
• AC Fan Down Pin: GPIO22

Circuit

Pins should go to optocouplers that essentially simulate actual button presses.

Home Assistant Config

Add code and modify to suit your needs.