KC868-A64 smart controller , many hardware resource for you to use, you can write any code by Arduino IDE to ESP32 wifi/bluetooth/ethernet RS485 module. We will supply demo code for different samples. Everyone can modify and change the code for your own smart home automation system project. it support use by ESPHome for home assistant or tasmota firmware for smart home automation DIY.
Related technical information
ESP32 I/O pin define: https://www.kincony.com/forum/showthread.php?tid=1903
config yaml file for ESPHome: https://www.kincony.com/forum/showthread.php?tid=1904
arduino demo source code: https://www.kincony.com/forum/forumdisplay.php?fid=28