I2C Liquid Crystal Displays

Components;

1 Male/Female Jumper Wires

1 I2C 16x2 Arduino LCD Display Module

1 Arduino UNO

Project description;

This project is for people who have an I2C lcd screen and can’t find any videos or projects on how to code them.

The first step is to find a working library of them. I use liquid crystal I2C, and wire. link for liquid crystal $ here $ , link for wire $ here $

The second step is to add the libraries to your arduino ide, to do that you go to sketch-> include library -> add zip library then find it in files. If it works, you should get a message saying it worked.

the third step is to wire it up wire up as follows

GND-> ground

VCC-> +5V

SDA-> A4

SCL-> A5

The last step is to upload the code

(be sure to delete everything from your blank sketch before pasting the sketch into it).

Code

#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”);

}