20x4 LCD终端
**IMPORTANT**
Make sure that you download ALL of the following files to your /etc/ folder
for this to work:
command.py
pass.pl
wait.pl
For those who have no monitor to connect to their raspberry pi, this code creates
an lcd terminal for basic bash commands. It is assumed that files associated with the
terminal wil be located in the "/etc" folder. Make sure that "command.py" and "pass
