2 LiquidCrystal Library - TextDirection
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 demonstrates how to use leftToRight() and rightToLeft()
13 * LCD RS pin to digital pin 12
14 * LCD Enable pin to digital pin 11
15 * LCD D4 pin to digital pin 5
16 * LCD D5 pin to digital pin 4
17 * LCD D6 pin to digital pin 3
18 * LCD D7 pin to digital pin 2
20 * ends to +5V and ground
21 * wiper to LCD VO pin (pin 3)
23 Library originally added 18 Apr 2008
25 library modified 5 Jul 2009
26 by Limor Fried (http://www.ladyada.net)
27 example added 9 Jul 2009
32 http://www.arduino.cc/en/Tutorial/LiquidCrystal
36 // include the library code:
37 #include <LiquidCrystal.h>
39 // initialize the library with the numbers of the interface pins
40 LiquidCrystal lcd(12, 11, 5, 4, 3, 2);
45 // set up the LCD's number of rows and columns:
47 // turn on the cursor:
53 // reverse directions at 'm':
54 if (thisChar == 'm') {
55 // go right for the next letter
58 // reverse again at 's':
59 if (thisChar == 's') {
60 // go left for the next letter
70 // print the character
71 lcd.print(thisChar, BYTE);
74 // increment the letter: