If this board is using the native USB port of the ESP32 you need to add
build_flags =
-D ARDUINO_USB_CDC_ON_BOOT=1
See ESP32-S3 native USB interface and Serial Monitor missing first messages - #10 by sivar2311
If this board is using the native USB port of the ESP32 you need to add
build_flags =
-D ARDUINO_USB_CDC_ON_BOOT=1
See ESP32-S3 native USB interface and Serial Monitor missing first messages - #10 by sivar2311