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+--- Thread: KC868-AG ESP32 I/O pin define (/showthread.php?tid=1667)
KC868-AG ESP32 I/O pin define - admin - 01-26-2022
ESP32 PINs define of KC868-AG
IR receiver: IO23
IR sender: IO2
433MHz receiver: IO13
433MHz sender: IO22
Buzzer: IO4
LED: IO26,IO27,IO14 (if you want to use , need solder 3 LEDs (0603) on the bottom of PCB by yourself)
free GPIO:
IO19,IO18,IO16,IO33,IO35,IO39
IO13,IO21,IO17,IO32,IO34,IO36