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| author | Sudar <sudar@sudarmuthu.com> | 2014-09-21 12:05:12 +0530 |
|---|---|---|
| committer | Sudar <sudar@sudarmuthu.com> | 2014-09-21 12:05:12 +0530 |
| commit | ee1855c6b1aabf4d50afcfba69cecd2417d27237 (patch) | |
| tree | 05db0503f3cb1ffbd41f077ecf6135a429d5b66b /examples/HelloWorld/HelloWorld.ino | |
| parent | 6f46722abb40c60dcaa0e40292342d015906c8bf (diff) | |
| parent | d092c14d7ec845246f6588704e22718615626982 (diff) | |
Merge pull request #268 from peplin/259-move-examples
Move tests back to 'examples', skip non-testable examples when testing.
Fix #259
Fix #260
Diffstat (limited to 'examples/HelloWorld/HelloWorld.ino')
| -rw-r--r-- | examples/HelloWorld/HelloWorld.ino | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/examples/HelloWorld/HelloWorld.ino b/examples/HelloWorld/HelloWorld.ino new file mode 100644 index 0000000..e99957d --- /dev/null +++ b/examples/HelloWorld/HelloWorld.ino @@ -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 <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() { + // 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); +} + |
