ESP32 crash when using Serial1 and Serial2

[petros0]

I got this idea here:

[SOLVED] Use only TX with ESP32 Hardware Serial

Hello there, I Am currently building a project with an ESP32 CAM and a Few Modules. I want to connect a DFPlayer Mini MP3 Player Module (Which uses Serial communication) to the ESP32 CAM. However, due to lack of pins, I only want to send data to the DFPlayer but don't need to receive data from it, hence I only need a TX pin on the ESP32 CAM and I want to leave the RX pin free for use as a GPIO. Could someone guide me as to how this can be done With either Hardware Serial or Software Serial? Th…

If I use it without the rest of the code(so I keep only the DFPlayer parts) it doesn't have any issues. I need most of the available pins of the ESP and won't ever need Serial1's RX pin.