#include <Wire.h> 
#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C lcd(0x27, 16, 2);

int a = 0; // jumlah putaran yang diatur pada awalnya
int c = 0; // penghitung putaran arus
int clr = 4; 
int up = 5;
int down = 6;
int motor = 9;
int startt = 3;
int sn = 2;
int f = 0;


void setup() 
{ 
lcd.init ();
lcd.begin(16,2);
lcd.backlight();
lcd.setCursor(0,0);
lcd.print("JUMLAH P:");

  pinMode(motor,OUTPUT);
  pinMode(clr,INPUT_PULLUP);
  pinMode(startt, INPUT_PULLUP);
  pinMode (up, INPUT_PULLUP);
  pinMode (down, INPUT_PULLUP);
  pinMode(sn, INPUT);
  
}

void loop() 
{
  if (digitalRead (up) == HIGH)
 {
  delay(200);
    a=a+1;
    if (a>3000)
    {
      a=3000;
    }

        while (digitalRead (up) == HIGH)
  { 
  lcd.setCursor(11, 0); // atur kursor ke baris kedua
  lcd.print(a);
  lcd.print("   ");
    delay(50);
    a=a+10;
  }
 }
}