04-05-2023, 12:31 AM
here is ESP32 pin define of KC868-A6 : https://www.kincony.com/forum/showthread.php?tid=1962
if you want use PCF8574 INT pin, you can chose one free GPIO not used, connect to PCF8574's INT pin.
if you want use PCF8574 INT pin, you can chose one free GPIO not used, connect to PCF8574's INT pin.