#include <LiquidCrystal.h>
LiquidCrystal lcd(12,11,10,9,8,7);
int pinTrigger=5;
int pinEcho=4;

void setup() {
  pinMode(2, OUTPUT);
  lcd.begin(20,4);
  pinMode(pinTrigger, OUTPUT);
  pinMode(pinEcho, INPUT);

}

void loop() {
  //LED
  digitalWrite(2, HIGH);
  delay(500);
  digitalWrite(2, LOW);
  delay(500);
  //LCD
  lcd.setCursor(2,0);
  lcd.print("BELAJAR  ARDUINO");
  delay(500);
  lcd.setCursor(1,1);
  lcd.print("DENGAN SENANG HATI");
  delay(500);
  lcd.setCursor(3,2);
  lcd.print("BERSAMA FAREL");
  delay(500);
  //BERSIHKAN LCD
  lcd.clear();
  delay(500);
  //SENSOR
  digitalWrite(pinTrigger, HIGH);
  delayMicroseconds(15);
  digitalWrite(pinTrigger, LOW);

  int durasi=pulseIn(pinEcho,HIGH);
  lcd.setCursor(0,3);
  lcd.print("jarak (cm) = ");
  lcd.println(durasi/58);
  int cm=durasi/58;
  int jarak=cm;

}