From fc944ff979dbbd49a57722fe2d1d2acf47312eb4 Mon Sep 17 00:00:00 2001 From: Jesse Morgan Date: Thu, 20 Oct 2011 22:16:19 -0700 Subject: Inital commit... halfway through the project --- .../examples/HelloWorld/HelloWorld.pde | 58 ++++++++++++++++++++++ 1 file changed, 58 insertions(+) create mode 100644 libraries/LiquidCrystal/examples/HelloWorld/HelloWorld.pde (limited to 'libraries/LiquidCrystal/examples/HelloWorld/HelloWorld.pde') diff --git a/libraries/LiquidCrystal/examples/HelloWorld/HelloWorld.pde b/libraries/LiquidCrystal/examples/HelloWorld/HelloWorld.pde new file mode 100644 index 0000000..358f8f8 --- /dev/null +++ b/libraries/LiquidCrystal/examples/HelloWorld/HelloWorld.pde @@ -0,0 +1,58 @@ +/* + LiquidCrystal Library - Hello World + + 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 shows the time. + + 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/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 columns and rows: + lcd.begin(16, 2); + // Print a message to the LCD. + lcd.print("hello, world!"); +} + +void loop() { + // set the cursor to column 0, line 1 + // (note: line 1 is the second row, since counting begins with 0): + lcd.setCursor(0, 1); + // print the number of seconds since reset: + lcd.print(millis()/1000); +} + -- cgit v1.2.3