07-23-2024, 01:16 AM
you can test with our arduino demo code firstly, here is RS485 code for KC868-A2: https://www.kincony.com/forum/showthread.php?tid=2640
if test OK, that means hardware PCB is well, then you can check with your software.
if test OK, that means hardware PCB is well, then you can check with your software.