void setup() {
  // put your setup code here, to run once:
lcd.begin(16, 2);
lcd.print(" ULTRASONIC");
lcd.setCursor(0, 1);
lcd.print(" RANGE METER");
delay(2000);
lcd.clear();
lcd.print("Range=");
pinMode(ECHOPIN, INPUT);
pinMode(TRIGPIN, OUTPUT);
}

void loop() {
  // put your main code here, to run repeatedly:
digitalWrite(TRIGPIN, LOW);
delayMicroseconds(2);
digitalWrite(TRIGPIN, HIGH);
delayMicroseconds(10);
digitalWrite(TRIGPIN, LOW);
timer = pulseIn(ECHOPIN, HIGH);
jarak= timer/58;
lcd.setCursor(6, 0);
lcd.print(jarak);
lcd.print(" cm ");
delay(1000);
}