arduino_uno_guy
Published © GPL3+

I2C Liquid Crystal Displays

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

BeginnerProtip119,299
I2C Liquid Crystal Displays

Things used in this project

Story

Read more

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

Comments