#include <LiquidCrystal.h>
LiquidCrystal lcd (2,3,4,5,6,7);
int ir = A0;
void setup() {
lcd.begin (16,2);
Serial.begin(9600);
pinMode(A0,INPUT);
lcd.begin(16,2); // BEGINNING THE LCD
lcd.clear();
lcd.setCursor(3,0);
lcd.print("TEKNOLOGI");
lcd.setCursor(2,1);
lcd.print("ELEKTROMEDIK");
delay(2000);
lcd.clear();
lcd.setCursor(2,0);
lcd.print("MINAL AIZIN");
lcd.setCursor(2,1);
lcd.print("T201601010");// SUBSCRIBE THE CHANNEL
delay(2000);
}
int count = 0;

void loop() {
  if(digitalRead(ir)==0)// CHECKING INPUT
 {
while(digitalRead(ir)==0)// WAITING FOR INPUT TO END
{};
count= count+1; // INCREMENT VISIT COUNT BY 1

 lcd.clear();
 lcd.print("JUMLAH TETESAN =");
 lcd.setCursor(0,2);
 lcd.print(count);// DISPLAYING THE NUMBER OF VISITS.
 delay(40);
}
else
{
   lcd.clear();// CASE WHEN NO INPUT IS RECEIVED.
 lcd.print("JUMLAH TETESAN = ");
 lcd.setCursor(0,2);
 lcd.print(count);
 delay(40);
}

}