From f30af5e28868811d802edc2d874ce832652512f0 Mon Sep 17 00:00:00 2001 From: "David A. Mellis" Date: Mon, 13 Jul 2009 02:33:02 +0000 Subject: Adding Tom's examples for the new LiquidCrystal library. --- .../LiquidCrystal/examples/Display/Display.pde | 55 ++++++++++++++++++++++ 1 file changed, 55 insertions(+) create mode 100644 libraries/LiquidCrystal/examples/Display/Display.pde (limited to 'libraries/LiquidCrystal/examples/Display') diff --git a/libraries/LiquidCrystal/examples/Display/Display.pde b/libraries/LiquidCrystal/examples/Display/Display.pde new file mode 100644 index 0000000..2ccf1cb --- /dev/null +++ b/libraries/LiquidCrystal/examples/Display/Display.pde @@ -0,0 +1,55 @@ +/* + 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 + * 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 + + http://www.arduino.cc/en/Tutorial/LiquidCrystal + */ + +// include the library code: +#include + +// 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 rows and columns: + lcd.begin(2, 16); + // 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); +} + -- cgit v1.2.3-18-g5258 From 4a6c91529652a8a411a45fa19dc7ad839508fcb2 Mon Sep 17 00:00:00 2001 From: Tom Igoe Date: Sun, 2 Aug 2009 18:44:54 +0000 Subject: Changed begin() in LiquidCrystal examples --- libraries/LiquidCrystal/examples/Display/Display.pde | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'libraries/LiquidCrystal/examples/Display') diff --git a/libraries/LiquidCrystal/examples/Display/Display.pde b/libraries/LiquidCrystal/examples/Display/Display.pde index 2ccf1cb..a12fad6 100644 --- a/libraries/LiquidCrystal/examples/Display/Display.pde +++ b/libraries/LiquidCrystal/examples/Display/Display.pde @@ -39,7 +39,7 @@ LiquidCrystal lcd(12, 11, 5, 4, 3, 2); void setup() { // set up the LCD's number of rows and columns: - lcd.begin(2, 16); + lcd.begin(16, 2); // Print a message to the LCD. lcd.print("hello, world!"); } -- cgit v1.2.3-18-g5258 From b521782b520aecd72fa93912b8abacee625cc8b7 Mon Sep 17 00:00:00 2001 From: Tom Igoe Date: Wed, 5 Aug 2009 14:41:17 +0000 Subject: Checked and updated all LiquidCrystal examples --- libraries/LiquidCrystal/examples/Display/Display.pde | 3 +++ 1 file changed, 3 insertions(+) (limited to 'libraries/LiquidCrystal/examples/Display') diff --git a/libraries/LiquidCrystal/examples/Display/Display.pde b/libraries/LiquidCrystal/examples/Display/Display.pde index a12fad6..b430539 100644 --- a/libraries/LiquidCrystal/examples/Display/Display.pde +++ b/libraries/LiquidCrystal/examples/Display/Display.pde @@ -27,6 +27,9 @@ by Limor Fried (http://www.ladyada.net) example added 9 Jul 2009 by Tom Igoe + modified 25 July 2009 + by David A. Mellis + http://www.arduino.cc/en/Tutorial/LiquidCrystal */ -- cgit v1.2.3-18-g5258