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.