you can download "KCS" firmware, so that can integrate to home assistant by MQTT without ESPHome.
here is online guide: https://www.kincony.com/kcs-firmware-esp32-board.html
here is video tour: https://youtu.be/gJTUb1SGnII
"KCS" the newest firmware download: https://www.kincony.com/forum/showthread.php?tid=2542
"KCS" MQTT document: https://www.kincony.com/forum/showthread.php?tid=2529
here is online guide: https://www.kincony.com/kcs-firmware-esp32-board.html
here is video tour: https://youtu.be/gJTUb1SGnII
"KCS" the newest firmware download: https://www.kincony.com/forum/showthread.php?tid=2542
"KCS" MQTT document: https://www.kincony.com/forum/showthread.php?tid=2529