kc868_A8: NodeMCU-32s, 80Mhz, 115200. None. Disabled sur COM4.

[katlam]

this is a arudino ADC simple demo source for KC868-A8.
you can open it ,directly to compile and download, test whether work well.

Hi; the problem is connection between comuputer and KC868-A8 (disabled on com4) but it's working with arduino uno.