Try changing your serial monitor baud rate to 9600. If possible, keep the default serial and software serial baud rates different. Also, how are you connecting it to your Arduino? Remember RX goes to TX and vice versa.
Try changing your serial monitor baud rate to 9600. If possible, keep the default serial and software serial baud rates different. Also, how are you connecting it to your Arduino? Remember RX goes to TX and vice versa.