#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C lcd(0*27 , 16, 2);
int potPoint = A0; 
int delayTime = 0; 

void setup() { 
   Serial.begin(5000); 

   lcd.init(); //Inisialisasi LCD 
   lcd.backlight(); 
   //setup awal ketika runing 
   lcd.setCursor(0,0); 
   lcd.print("M.FARIZI"); 
   lcd.setCursor(0,1); 
   lcd.print("INFORMATIKA SMAN 112 JKT");
}
void loop() {
int potValue = analogRead(potPoint); 
delayTime = map(potValue, 0, 1023, 100, 1000);

 //perintah menggeser teks ke kiri
for (int i= 0; i<16; i++) {
 lcd.scrollDisplayLeft();    
 delay(delayTime);
}
}