=== enable systemd service ===
==== Raspberry Pi ====
* create file '''/lib/systemd/system/lcd.service''' with following content
<pre>[Unit] Description=LCD Display Service After=multi-user.target Conflicts=getty@tty1.service [Service] Type=simple ExecStart=/usr/bin/python /home/pi/script/lcd/lcd.py StandardInput=tty-force [Install] WantedBy=multi-user.target</pre>