Arduino - lcd.print()

Description

Prints text to the LCD.

Syntax

There are two ways:

  • lcd.print(data)
  • lcd.print(data, BASE)

Parameters

  • lcd: a variable of type LiquidCrystal
  • data: the data to print (char, byte, int, long, or string)
  • BASE: (optional) the base in which to print numbers: BIN for binary (base 2), DEC for decimal (base 10), OCT for octal (base 8), HEX for hexadecimal (base 16).

Returns

  • Return the number of bytes written, though reading that number is optional

Example

Hardware Required

1×Arduino UNO or Genuino UNO
1×USB 2.0 cable type A/B
1×LCD
1×Potentiometer
1×Breadboard
1×Jumper Wires
1×(Optional) 9V Power Adapter for Arduino
1×(Recommended) Screw Terminal Block Shield for Arduino Uno
1×(Optional) Transparent Acrylic Enclosure For Arduino Uno
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Wiring Diagram

Arduino LCD Wiring Diagram

This image is created using Fritzing. Click to enlarge image

Arduino Code

#include <LiquidCrystal.h> LiquidCrystal lcd(11, 12, 2, 3, 4, 5); void setup() { lcd.begin(16, 2); // set up the LCD 16x2 lcd.print("hello, world!"); // print a message to the LCD } void loop() {}

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Arduino UNO R3
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