How to Make Arduino LCD Show Lyrics in wokwi

Yo fam! Today we’re gonna cook up something cool with Arduino: making an LCD display your fav lyrics with a typewriter effect 🤯. Perfect if you wanna flex your Arduino skills on your friends or just make your own DIY karaoke machine 😂.

What You Need

  • 1x Arduino UNO

  • 1x LCD 20x4 with I2C backpack

  • Jumper wires (aka drip cables)

  • (Optional) Breadboard if you like things nead

Circuit Setup

Wire it like this (super simple cuz I2C saves lives):

  • LCD GND → Arduino GND

  • LCD VCC → Arduino 5V

  • LCD SDA → Arduino A4

  • LCD SCL → Arduino A5

Boom. Done. No messy spaghetti wiring here.

Before coding, make sure you got these libraries in your Arduino IDE or Wokwi:

#include <Wire.h>

#include <LiquidCrystal_I2C.h>

The Code

Here’s the full code you can use (yes, already polished for LCD 20x4):

#include <Wire.h>

#include <LiquidCrystal_I2C.h>


LiquidCrystal_I2C lcd(0x27, 20, 4); // I2C address, LCD 20x4


// Lyrics list

String lirik[] = {

  "Tante...",

  "Sudah terbiasa terjadi tante...",

  "Teman datang cuma kalo butuh saja...",

  "Coba kalau lagi susah...",

  "Mereka semua menghilaaaaaang..."

};


int jumlahLirik = sizeof(lirik) / sizeof(lirik[0]);


void setup() {

  lcd.init();      

  lcd.backlight(); 

}


void loop() {

  for (int i = 0; i < jumlahLirik; i++) {

    // Split into 4 lines (max 20 chars each)

    String baris1 = lirik[i].substring(0, 20);

    String baris2 = "";

    String baris3 = "";

    String baris4 = "";


    if (lirik[i].length() > 20) baris2 = lirik[i].substring(20, 40);

    if (lirik[i].length() > 40) baris3 = lirik[i].substring(40, 60);

    if (lirik[i].length() > 60) baris4 = lirik[i].substring(60, 80);


    lcd.clear();

    lcd.setCursor(0, 0); ketikCepat(baris1);

    lcd.setCursor(0, 1); ketikCepat(baris2);

    lcd.setCursor(0, 2); ketikCepat(baris3);

    lcd.setCursor(0, 3); ketikCepat(baris4);


    delay(2000); // pause before next lyric

  }

}


// Typewriter effect

void ketikCepat(String teks) {

  for (int i = 0; i < teks.length(); i++) {

    lcd.print(teks[i]);

    delay(40); // typing speed

  }

}

 How It Works

  1. LCD gets initialized and lit up.

  2. Lyrics are stored in an array (so you can add more easily).

  3. Each lyric is split into max 4 lines (20 chars per line).

  4. The text pops up letter by letter with a typewriter effect ✍️.

  5. After 2 seconds, it switches to the next lyric.

Pro Tips

  • Wanna type faster? Lower the delay in ketikCepat().

  • Wanna hold lyrics longer? Increase delay(2000);.

  • LCD is only 20x4 → so anything past 80 chars will get cut.

And boom! You just made your Arduino sing lyrics on an LCD. Drop this on Insta or TikTok and flex your DIY karaoke vibes


 krisna andika nugraha fix

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