--- Miniterm on /dev/ttyUSB0  9600,8,N,1 ---
--- Quit: Ctrl+C | Menu: Ctrl+T | Help: Ctrl+T followed by Ctrl+H ---
Exception in thread rx:
Traceback (most recent call last):
  File "/usr/lib/python2.7/threading.py", line 801, in __bootstrap_inner
    self.run()
  File "/usr/lib/python2.7/threading.py", line 754, in run
    self.__target(*self.__args, **self.__kwargs)
  File "/home/sergio/.platformio/penv/local/lib/python2.7/site-packages/serial/tools/miniterm.py", line 453, in reader
    self.console.write(text)
  File "/home/sergio/.platformio/penv/local/lib/python2.7/site-packages/serial/tools/miniterm.py", line 68, in write
    self.output.write(text)
UnicodeEncodeError: 'ascii' codec can't encode character u'\ufffd' in position 0: ordinal not in range(128)