| Index

| Reference for Wiring 1.0 (ALPHA) 0021+. If you have a previous version, use the reference included with your software. If you see any errors or have any comments, let us know.

Name |  | ### LiquidCrystal
Examples |  |
    #include <LiquidCrystal.h>

    LiquidCrystal myDisplay = LiquidCrystal(0,1,2,2);

    void setup()
    {
    }

    int a = 0;

    void loop()
    {
      myDisplay.clear();
      myDisplay.home();
      myDisplay.print("Variable a is: ");
      myDisplay.setCursor(16, 0);
      myDisplay.print(a);
      a = a + 1;
      delay(200);
    }
Description |  | The Wiring LiquidCrystal library allows for writing data to a external text based liquid crystal display (LCD). The LCD can be any generic text based display with the H44780 controler.
Syntax |  |
    LiquidCrystal(rs, rw, e, port)
Parameters |  |
rs |  | The pin connected to the R/S signal on the display
rw |  | The pin connected to the R/W signal on the display
e |  | The pin connected to the E signal on the display
port |  | The port used to connect the D0..D7 signals on the display
Methods |  |
clear() |  |
home() |  |
setCursor() |  |
print() |  |
println() |  |
Returns |  | None
Usage |  | Application