#include <LiquidCrystal.h>
// Initialize the library with the numbers of the interface pins
LiquidCrystal lcd(7, 8, 9, 10, 11, 12);
void setup() {
 // Set up the LCD's number of columns and rows
 lcd.begin(16, 2);
 // Print a message to the LCD
 lcd.print("Arduino Sketch");
 delay(1000);
}
void loop() {
 // Scroll 13 positions (string length) to the left
 // to move it offscreen left
 for (int positionCounter = 0; positionCounter < 13; 
positionCounter++) {
 // Scroll one position left
 lcd.scrollDisplayLeft();
 // Wait a bit
 delay(150);
 }
 for (int positionCounter = 0; positionCounter < 29; 
positionCounter++) {
 // Scroll one position right
 lcd.scrollDisplayRight();
 // Wait a bit
 delay(150);
 }
 // Scroll 16 positions (display length + string length) to the left
 // to move it back to center
 for (int positionCounter = 0; positionCounter < 16; 
positionCounter++) {
 // Scroll one position left
 lcd.scrollDisplayLeft();
 // Wait a bit
 delay(150);
 }
 // Delay at the end of the full loop
 delay(1000);
}