FablabSU

/*
LiquidCrystal Library - display() and noDisplay()

Demonstrates the use a 16x2 LCD display.  The LiquidCrystal library works with all LCD displays 
that are compatible with the Hitachi HD44780 driver. There are many of them out there, and you
can usually tell them by the 16-pin interface.

This sketch prints "Hello World!" to the LCD and uses the 
display() and noDisplay() functions to turn on and off 
the display.

The circuit:
    * LCD RS pin to digital pin 12
    * LCD Enable pin to digital pin 11
    * LCD D4 pin to digital pin 5
    * LCD D5 pin to digital pin 4
    * LCD D6 pin to digital pin 3
    * LCD D7 pin to digital pin 2
    * LCD R/W pin to ground
    * 10K resistor:
    * ends to +5V and ground
    * wiper to LCD VO pin (pin 3)

Library originally added 18 Apr 2008 
by David A. Mellis 
library modified 5 Jul 2009 
by Limor Fried (http://www.ladyada.net) 
example added 9 Jul 2009 
by Tom Igoe 
modified 22 Nov 2010 
by Tom Igoe
    
This example code is in the public domain.

http://www.arduino.cc/en/Tutorial/LiquidCrystalDisplay
    
*/
    
// include the library code:
#include <LiquidCrystal.h>
    
// initialize the library with the numbers of the interface pins
LiquidCrystal lcd(12, 11, 5, 4, 3, 2);

void setup() {
  // set up the LCD's number of columns and rows:
  lcd.begin(16, 2);
  // Print a message to the LCD.
  lcd.print("hello, world!");
}
    
void loop() {
  // Turn off the display:
  lcd.noDisplay();
  delay(500);
  // Turn on the display:
  lcd.display();
  delay(500);
}