Interfacing LCD Screen with Arduino

 

Arduino Sketch

#include <LiquidCrystal.h>
	int rs=9;
	int en=8;
	int d4=7;
	int d5=6;
	int d6=5;
	int d7=4;
	LiquidCrystal lcd(9, 8, 7, 6, 5, 4);
	// Change following variables as per your need
	char * LargeText = "* WELCOME TO ANOKH AUTOMATION *";
	int iLineNumber = 0; // Line number to show your string (Either 0 or 1)
	int iCursor = 1;
	void setup()
	{
	lcd.begin(16, 2);
	}
	void loop()
	{
	lcd.setCursor (0,1);
	lcd.print("+971557407961");
	UpdateLCDDisplay(); // Scoll text by 1 character
	delay(500); // Change delay to change speed for scrollig text.
	}
	void UpdateLCDDisplay()
	{
	int iLenOfLargeText = strlen(LargeText); // Calculate lenght of string.
	if (iCursor == (iLenOfLargeText - 1) ) // Reset variable for rollover effect.
	{
	iCursor = 0;
	}
	//lcd.clear();
	lcd.setCursor(0,iLineNumber);
	if(iCursor < iLenOfLargeText - 16) // This loop exicuted for normal 16 characters.
	{
	for (int iChar = iCursor; iChar < iCursor + 16 ; iChar++)
	{
	lcd.print(LargeText[iChar]);
	}
	}
	else
	{
	for (int iChar = iCursor; iChar < (iLenOfLargeText - 1) ; iChar++) // This code takes care of printing charecters of current string.
	{
	lcd.print(LargeText[iChar]);
	}
	for (int iChar = 0; iChar <= 16 - (iLenOfLargeText - iCursor); iChar++) // Reamining charecter will be printed by this loop.
	{
	lcd.print(LargeText[iChar]);
	}
	}
	iCursor++;
	}