12-15-2022, 11:05 PM
because maybe you have not define the "Serial1" in your arduino IDE hardwareserial config file.
ESP32 "Serial1" communication with KinCony ARM CPU
you can define TXD and RXD as follows:
ESP32 TXD: GPIO17
ESP32 RXD: GPIO16
ESP32 "Serial1" communication with KinCony ARM CPU
you can define TXD and RXD as follows:
ESP32 TXD: GPIO17
ESP32 RXD: GPIO16