text: import sys, time
  import serial
  
  device_name = '/dev/tty.usbmodem000000004'
  if __name__ == "__main__":
      with serial.Serial(device_name, 961200, timeout=1) as device:
          count = 0
          while True:
              b = device.read(1)
              intbyte = int.from_bytes(b, "little")
              print('%02x' % intbyte, end=" ", flush=True)
              count += 1
              if count % 64 == 0:
                  print("")
              #time.sleep(0.01)