PCF8574 INT pin on KC868-A6 — Is it connected to ESP32? Schematic request.

[admin]

A16 as same as A6.
1. A16 board have not used the INT pin for PCF8574.
2. the INT pin not connect with pcb wire, so if you want to use, you need to solder the pin for your extend wire.
here is schematic of KC868-A6: https://www.kincony.com/download/KC868-A...ematic.pdf