// Nama Kelompok : Puji Agus S. (06)
// : Umar Zainur A. (26)
// Kelas : XI-TKJ 3
#include <Arduino.h>
#include <Wire.h>
#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C lcd(0x27, 16, 2);
const int trigPin = 13;
const int echoPin = 12;
long duration;
int distance;
void setup () {
lcd.init();
lcd.begin(16, 2);
lcd.backlight();
Serial.begin(9600);
pinMode (trigPin, OUTPUT);
pinMode (echoPin, INPUT);
}
void loop() {
digitalWrite(trigPin, LOW);
delayMicroseconds(2);
digitalWrite(trigPin, HIGH);
delayMicroseconds(10);
digitalWrite(trigPin, LOW);
duration = pulseIn(echoPin, HIGH);
distance = duration * 0.034 / 2;
Serial.print("jarak : ");
Serial.print(distance);
Serial.println(" cm");
lcd.clear();
lcd.setCursor(0,0);
lcd.print(" jarak :");
lcd.print(distance);
lcd.print("cm");
delay(500);
}