//Program Ultrasonic
//By Azzahid Tawarra L.P XI TEK 1

#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C sigma(0x27,16,2);
int trig = 4;
int echo = 0;
long durasi,jarak;
float suara = 0.034;

void setup() {
  sigma.init();
  sigma.backlight();
  sigma.clear();
  sigma.setCursor(0,0);
  sigma.print("SIGMA SKIBIDI OHIO RIZZ");
  sigma.setCursor(0,1);
  sigma.print("   ULTRA GYATT   ");
  delay(2000);
  sigma.clear();

  pinMode(trig,OUTPUT);
  pinMode(echo,INPUT);
}

void loop() {
  digitalWrite(trig,LOW);
  delayMicroseconds(5);
  digitalWrite(trig,HIGH);
  delayMicroseconds(5);
  digitalWrite(trig,LOW);
  delayMicroseconds(5);

  durasi = pulseIn(echo,HIGH);
  jarak = durasi*suara/2;

  sigma.setCursor(0,0);
  sigma.print("Jaraknya adalah:");
  sigma.setCursor(0,1);
  sigma.print(jarak+1);
  sigma.print(" cm  ");
  delay(100);
  sigma.clear();
}