but I don't get any feedback form the module while monitoring the serial port.
This is because you are trying to use the same pins to talk to the monitor and the RFID reader.
Use a software serial port emulator to read the RFID reader.
but I don't get any feedback form the module while monitoring the serial port.
This is because you are trying to use the same pins to talk to the monitor and the RFID reader.
Use a software serial port emulator to read the RFID reader.