arduino_uno_guy
Published © GPL3+

I2C Liquid Crystal Displays

All you need to know about I2C LCD screens on an Arduino Uno.

BeginnerProtip119,494
I2C Liquid Crystal Displays

Things used in this project

Story

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Schematics

wiring diagram

Code

Code for screen

C/C++
// |———————————————————————————————————————————————————————| 
// |  made by Arduino_uno_guy 11/13/2019                   |
// |   https://create.arduino.cc/projecthub/arduino_uno_guy|
// |———————————————————————————————————————————————————————|


#include LiquidCrystal_I2C.h

#include Wire.h

//initialize the liquid crystal library
//the first parameter is the I2C address
//the second parameter is how many rows are on your screen
//the third parameter is how many columns are on your screen
LiquidCrystal_I2C lcd(0x27, 16, 2);

void setup() {
  
  //initialize lcd screen
  lcd.init();
  // turn on the backlight
  lcd.backlight();
}
void loop() {
  //wait for a second
  delay(1000)
  // tell the screen to write on the top row
  lcd.setCursor(0,0);
  // tell the screen to write “hello, from” on the top row
  lcd.print(Hello, From);
  // tell the screen to write on the bottom row
  lcd.setCursor(0,1);
  // tell the screen to write “Arduino_uno_guy” on the bottom row
  // you can change whats in the quotes to be what you want it to be!
  lcd.print(Arduino_uno_guy);
  
}

Credits

arduino_uno_guy

arduino_uno_guy

1 project • 8 followers

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