N20 Problem with Home Assistant Conection

[admin]

1: update ARM CPU by USB-RS485 adapter, how to download firmware , see here: https://www.kincony.com/forum/showthread.php?tid=8863
2: update KCS v3.18.2,  how to download firmware , see here: https://www.kincony.com/forum/showthread.php?tid=8864
esphome is no problem, just you need update your ARM CPU firmware.
3: if your energy data is a very large number, first time, please use the new PC software to clear to 0. here is PC monitor software: https://www.kincony.com/forum/showthread.php?tid=8406   just download newest version:  APPV1.0.25.1231  https://www.kincony.com/forum/attachment.php?aid=8886