Using The Library
Basic Setup
In your main sketch file
//----- LCD DISPLAY -----
#include <LiquidCrystal.h>
LiquidCrystal lcd(12, 10, 11, 9, 8, 7, 6); //7 wire usage: (rs, rw, enable, d4, d5, d6, d7)
If you want to use it in other files also
#include <LiquidCrystal.h>
extern LiquidCrystal lcd;
Initialise
//----- SETUP LCD -----
lcd.begin(20, 2); //Characters per line, no of lines
Writing To Screen
Write text
lcd.setCursor(0, 0); //Character, Line
lcd.print("Hello ");
lcd.setCursor(0, 1);
lcd.print("World ");
Write single characters
lcd.write("1");
lcd.write(0x30 + b_temp);