Hi,
i have buy LK204-7T-IU-USB-TCI for use under a Linux Server.
I have create a "hello world" page in c++, but i don't know how use:
- the three led at left of the panel
- the action of keypad

and, is possible use a bash script? if i try
echo "test" >> /dev/ttyUSB001
it work well, but it use only ...