/*
 Project: LCD2004 I2C module
 Function: Dispalys symbols and text
 Compatible with the Arduino IDE 1.0
 */
//***********************************************************
#include <LiquidCrystal_I2C.h>//include library code
//*********************************************************
#if defined(ARDUINO) && ARDUINO >= 100
#define printByte(args)  write(args);
#else
#define printByte(args)  print(args,BYTE);
#endif
uint8_t heart[8] = {0x0, 0xa, 0x1f, 0x1f, 0xe, 0x4, 0x0};//symbol heart
LiquidCrystal_I2C lcd(0x3F, 2, 1, 0, 4, 5, 6, 7, 3, POSITIVE);//initialise the LCD 2004 I2C
void setup()
{
  lcd.begin (20, 4);//define the LCD as 20 column by 4 rows 
  //switch on the backlight
  lcd.setBacklightPin(3, POSITIVE);
  lcd.setBacklight(HIGH); 
  lcd.createChar(3, heart);
  lcd.setCursor(0, 0);//sets the cursor to 1 row 1 column
  for (int i = 0; i < 20; i++)  lcd.printByte(3);//prints symbol
  lcd.setCursor(0, 1);//sets cursor to 2 row 1 column
  lcd.printByte(3);//prints symbol
  lcd.print(" Welcome to       ");//prints message
  lcd.printByte(3);//prints symbol
  lcd.setCursor(0, 2);//sets cursor to 3 row 1 column
  lcd.printByte(3);//prints symbol
  lcd.print(" ACOPTEX.COM !!!  ");//prints message
  lcd.printByte(3);//prints symbol
  lcd.setCursor(0, 3);//sets cursor to 4 row 1 column
  for (int i = 0; i < 20; i++)  lcd.printByte(3);//prints symbol
  delay (3000);//sets delay for 3 seconds
  lcd.clear();//clears the screen
}
void loop()
{
}