Arduino - lcd.clear()

Description

Clears the LCD screen and positions the cursor in the upper-left corner.

Syntax

lcd.clear()

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×Potentiometer Kit
1×Breadboard
1×Jumper Wires
1×(Recommended) Screw Terminal Block Shield for Arduino Uno
1×(Recommended) Breadboard Shield For Arduino Uno
1×(Recommended) 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 } void loop() { lcd.print("hello, world!"); delay(1000); // keep the text on LCD 1 second lcd.clear(); delay(1000); // keep LCD empty in 1 second }

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Arduino UNO R3
Arduino Starter Kit

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