01-21-2026, 11:54 PM
sorry, you are using KC868-A2, not A2v3 PCB. just download KCS v2 firmware, integaret to home assistant by MQTT. i just want you test with "esp download tool" firstly, whether can download firmware by USB-C cable. if work well, then use ESPHome create BIN file, then use "esp download tool" again.
here is KCS v2 online guide: https://www.kincony.com/esp32-kcsv2-firmware.html
here is KCS v2 online guide: https://www.kincony.com/esp32-kcsv2-firmware.html
YouTube: https://www.youtube.com/c/KinCony
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Online Store: https://shop.kincony.com
Alibaba Store: https://kincony.en.alibaba.com/

