problem with kc868 has v2

[admin]

KC868-A16v3 improvements based on old KC868-A16:

1. use by ESP32-S3-WROOM-1U (N16R8) big memory size chip. support extend wifi antenna by IPEX port.
2. add NTC power protect circuit, if polar exchange will not burn board.
3. replace LAN8720A with W5500 ethernet chip, more stable.
4. fixed RF receiver circuit bug.
5. add DS3231 high-precision RTC clock.
6. support KinCony new cloud service.
7. support KCS v3 support Apple HomeKit and Loxone Miniserver system.
8. add SSD1306 LCD display
9. add SD card to save LOG
10. support KCS v3 newest firmware more powerful functions.