ear() | Arduino Reference

• TUTORIALS
• HARDWARE & TOOLS
• REFERENCES
• FAQs
• ABOUT US

Home References LCD Library

• English

LCD

• Arduino - LiquidCrystal Library for LCD
• Arduino - lcd.autoscroll()
• Arduino - lcd.begin()
• Arduino - lcd.blink()
• Arduino - lcd.clear()
• LiquidCrystal() Constructor
• Arduino - lcd.createChar()
• Arduino - lcd.cursor()
• Arduino - lcd.display()
• Arduino - lcd.home()
• Arduino - lcd.leftToRight()
• Arduino - lcd.noAutoscroll()
• Arduino - lcd.noBlink()
• Arduino - lcd.noCursor()
• Arduino - lcd.noDisplay()
• Arduino - lcd.print()
• Arduino - lcd.rightToLeft()
• Arduino - lcd.scrollDisplayLeft()
• Arduino - lcd.scrollDisplayRight()
• Arduino - lcd.setCursor()
• Arduino - lcd.write()

SD-CARD

• Arduino - SD Card Library
• Arduino File.available()
• Arduino File.close()
• Arduino File.find()
• Arduino File.findUntil()
• Arduino File.flush()
• Arduino File.isDirectory()
• Arduino File.name()
• Arduino File.openNextFile()
• Arduino File.parseFloat()
• Arduino File.parseInt()
• Arduino File.peek()
• Arduino File.position()
• Arduino File.print()
• Arduino File.println()
• Arduino File.read()
• Arduino File.readBytes()
• Arduino File.readBytesUntil()
• Arduino File.readString()
• Arduino File.readStringUntil()
• Arduino File.rewindDirectory()
• Arduino File.seek()
• Arduino File.setTimeout()
• Arduino File.size()
• Arduino File.write()
• Arduino SD.begin()
• Arduino SD.exists()
• Arduino SD.mkdir()
• Arduino SD.open()
• Arduino SD.remove()
• Arduino SD.rmdir()

Servo

• Arduino - Servo Library
• Arduino - Servo.attach()
• Arduino - Servo.attached()
• Arduino - Servo.detach()
• Arduino - Servo.read()
• Arduino - Servo.write()
• Arduino - Servo.writeMicroseconds()

DIYables_IRcontroller

• DIYables IR Controller Library
• DIYables IR Controller - DIYables_IRcontroller_17()
• DIYables IR Controller - DIYables_IRcontroller_21()
• DIYables IR Controller - begin()
• DIYables IR Controller - DIYables_IRcontroller_17.getKey()
• DIYables IR Controller - DIYables_IRcontroller_21.getKey()

DIYables_4Digit7Segment_74HC595

• DIYables 74HC595 4-Digit 7-Segment Display Library

DIYables_Keypad

• DIYables Keypad Library

UnoR4WiFi_WebServer

• Arduino Uno R4 WiFi Web Server Library Reference
• Arduino Uno R4 WiFi Multi-Page Web Server Example
• Arduino Uno R4 WiFi Query String Web Server - Dynamic URL Parameters
• Arduino Uno R4 WiFi REST API Server with JSON
• Arduino Uno R4 WiFi WebSocket Server - Real-Time Communication
• Arduino Uno R4 WiFi Web Server with Authentication - Username and Password

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	×	Official Arduino Uno
1	×	Alternatively, DIYables STEM V3, Fully Compatible with Arduino Uno R3
1	×	USB 2.0 cable type A/B
1	×	LCD
1	×	Potentiometer
1	×	Alternatively, 10k Ohm Trimmer Potentiometer
1	×	Alternatively, Potentiometer Kit
1	×	Alternatively, Potentiometer Module with Knob
1	×	Breadboard
1	×	Jumper Wires

Disclosure: Some links in this section are Amazon affiliate links. If you make a purchase through these links, we may earn a commission at no extra cost to you.Additionally, some links direct to products from our own brand, DIYables .

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 } 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 }

See Also

• How to use LiquidCrystal library with LCD
• LiquidCrystal()
• lcd.begin()
• lcd.clear()
• lcd.home()
• lcd.setCursor()
• lcd.write()
• lcd.print()
• lcd.cursor()
• lcd.noCursor()
• lcd.blink()
• lcd.noBlink()
• lcd.display()
• lcd.noDisplay()
• lcd.scrollDisplayLeft()
• lcd.scrollDisplayRight()
• lcd.autoscroll()
• lcd.noAutoscroll()
• lcd.leftToRight()
• lcd.rightToLeft()
• lcd.createChar()

※ ARDUINO BUY RECOMMENDATION

Arduino UNO R3

Arduino Starter Kit

※ OUR MESSAGES

• We are AVAILABLE for HIRE. See how to hire us to build your project

PREVIOUS NEXT DISCLOSURE ArduinoGetStarted.com is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com, Amazon.it, Amazon.fr, Amazon.co.uk, Amazon.ca, Amazon.de, Amazon.es, Amazon.nl, Amazon.pl and Amazon.se The Arduino Reference text is licensed under a Creative Commons Attribution-Share Alike 3.0 License. The content is modified based on Official Arduino References by: adding more example codes and output, adding more notes and warning, rewriting some parts, and re-formating Email: [email protected] ×