I would like to use mqtt + Tuya controlling via homeassistent, however, this is a challenge for me. My board is kc-868-A8. Thank you for your attention.
You can download KCS firmware, it already can work with Tuya app by tuya license. Then integrate to home assistant by MQTT. here is online guide step by step: https://www.kincony.com/forum/showthread.php?tid=7164