2 LiquidCrystal Library - display() and noDisplay()
4 Demonstrates the use a 16x2 LCD display. The LiquidCrystal
5 library works with all LCD displays that are compatible with the
6 Hitachi HD44780 driver. There are many of them out there, and you
7 can usually tell them by the 16-pin interface.
9 This sketch prints "Hello World!" to the LCD and uses the
10 display() and noDisplay() functions to turn on and off
14 * LCD RS pin to digital pin 12
15 * LCD Enable pin to digital pin 11
16 * LCD D4 pin to digital pin 5
17 * LCD D5 pin to digital pin 4
18 * LCD D6 pin to digital pin 3
19 * LCD D7 pin to digital pin 2
21 * ends to +5V and ground
22 * wiper to LCD VO pin (pin 3)
24 Library originally added 18 Apr 2008
26 library modified 5 Jul 2009
27 by Limor Fried (http://www.ladyada.net)
28 example added 9 Jul 2009
34 http://www.arduino.cc/en/Tutorial/LiquidCrystal
37 // include the library code:
38 #include <LiquidCrystal.h>
40 // initialize the library with the numbers of the interface pins
41 LiquidCrystal lcd(12, 11, 5, 4, 3, 2);
44 // set up the LCD's number of rows and columns:
46 // Print a message to the LCD.
47 lcd.print("hello, world!");
51 // Turn off the display:
54 // Turn on the display: