Published August 3, 2023 © GPL3+

lcd. begin ( ) Error ?

Follow these steps to fixed I2C lcd. begin ( ) problem | 101% Guaranteed fixed

IntermediateFull instructions provided30 minutes547

Things used in this project

Hardware components

Arduino UNO

Adafruit RGB Backlight LCD - 16x2

i2c lcd module

Jumper wires (generic)

Software apps and online services

Arduino IDE

Hand tools and fabrication machines

Soldering iron (generic)

Solder Wire, Lead Free

Solder Flux, Soldering

Story

Watch the video

If you don't understand this.

Are you struggling with the dreaded "LCD.begin() Error" while working with your I2C LCD module? Fret not! In this comprehensive tutorial, we've got you covered with the ultimate solution to get your I2C LCD up and running flawlessly. Say goodbye to frustration and get ready to learn the proven steps that will fix the lcd.begin() problem once and for all!

In this video, we walk you through a step-by-step troubleshooting guide to resolve the lcd.begin() issue, ensuring that you can effortlessly connect and initialize your I2C LCD module without any hassle. Our easy-to-follow instructions and troubleshooting tips will make the process a breeze, even if you're a beginner in Arduino or electronics.

So, if you're eager to get your I2C LCD working smoothly and looking for a reliable fix, this video is a must-watch! Hit that like button, subscribe, and enable notifications to never miss any of our future content. Let's dive in and fix the lcd.begin() error together!

Code

Arduino Code test

#include <Wire.h>
#include <LiquidCrystal_I2C.h>

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

void setup()
{
  lcd.init();         // initialize the lcd
  lcd.backlight();    // Turn on the LCD screen backlight
}

void loop()
{
  lcd.setCursor(1, 0);
  lcd.print("Hello World.!");
  delay(3000);
  lcd.clear();

  lcd.setCursor(2, 0);
  lcd.print("This is a LCD ");
  lcd.setCursor(2, 1);
  lcd.print("Screen Test");
  delay(3000);
  lcd.clear();
}