Arnov Sharma
Published © CC BY

LCD I2C Tutorial

Learn how to use an LCD with I2C ASAP.

BeginnerFull instructions provided3 minutes309,169
LCD I2C Tutorial
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Things used in this project

Hardware components

Arduino UNO
Arduino UNO
×1
RGB Backlight LCD - 16x2
Adafruit RGB Backlight LCD - 16x2
×1
UTSOURCE Electronic Parts
UTSOURCE Electronic Parts
×1
JLCPCB Customized PCB
JLCPCB Customized PCB
×1
Arduino UNO
Arduino UNO
×1

Story

Read more

Custom parts and enclosures

enclosure

you can 3D print this

Schematics

Schematics

Code

disp_hello.ino

C/C++
#include <Wire.h> 
#include <LiquidCrystal_I2C.h>

LiquidCrystal_I2C lcd(0x27,20,4);  // set the LCD address to 0x27 for a 16 chars and 2 line display

void setup()
{
  lcd.init();                      // initialize the lcd 
  lcd.init();
  // Print a message to the LCD.
  lcd.backlight();
  lcd.setCursor(1,0);
  lcd.print("hello everyone");
  lcd.setCursor(1,1);
  lcd.print("konichiwaa");
}


void loop()
{
}

Credits

Arnov Sharma
338 projects • 344 followers
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Related channels and tags
  • Adafruit
  • Displays
  • Displays
  • Home Automation
  • Home Automation
  • JLCPCB
  • UTSOURCE