I appreciate your help but I'm not getting it, sorry. Please don't give up :D I'm familiar with serial communication and I understand how to initialize a serial port defining the RX and TX pins on the ESP32. But there are no RX/TX pins on the side of the GPS, only the D+/D- pins on its micro USB por...

If I understand the issue, you don't need to use USBSerial at all. Arduino will just do the right thing if you set it up right. Under the tools menu, make sure you set USB CDC On Boot to enabled, and JTAG adapter to disabled. This will make Serial the USB connection to the PC, and you can use Seria...

Hi all, I've been trying to connect a GPS receiver (Navspark NS-RAW for the matter) with both an ESP32-S3-DevkitC-1 v1.0 board using the native USB port. I have to do so because, although the GPS microcontrollar has a serial interface, the board only directly exposes the TXD on the available pins. T...