Arduino - lcd.scrollDisplayLeft()

Description

Scrolls the contents of the display (text and cursor) one space to the left.

Syntax

lcd.scrollDisplayLeft()

Parameters

  • lcd: a variable of type LiquidCrystal

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

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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 delay(1000); } void loop() { // scroll 13 positions (string length) to the left to move it offscreen left: for (int positionCounter = 0; positionCounter < 13; positionCounter++) { lcd.scrollDisplayLeft(); // scroll one position left: delay(150); // wait a bit } // scroll 29 positions (string length + display length) to the right to move it offscreen right: for (int positionCounter = 0; positionCounter < 29; positionCounter++) { lcd.scrollDisplayRight(); // scroll one position right delay(150); // wait a bit } // scroll 16 positions (display length + string length) to the left to move it back to center: for (int positionCounter = 0; positionCounter < 16; positionCounter++) { lcd.scrollDisplayLeft(); // scroll one position left delay(150); // wait a bit } delay(1000); // delay at the end of the full loop: }

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Arduino UNO R3
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