gcc -o app_test app_test.o lcd_lib.o app_test.o: app_test.c gcc -c app_test.c lcd_lib.o: lcd_lib.c lcd_lib.h gcc -c lcd_lib.c ...

This library allows an Arduino board to control LiquidCrystal displays (LCDs) based on the Hitachi HD44780 (or a compatible) chipset, which is found on most text-based LCDs. This library is free ...