[note] minicom 設定

0. dmsg to see if system have the device inserted, and check the /dev to see what exactly the tty it allocated

1. stty -F /dev/ttyUSB0 19200 <-- (it depend on your baudrate) 

2. minicom -s 設定/dev/ttyXXX output port and baudrate to minicom

3. save the setting and exit... 

4. you should be able to see the message now