#include <LiquidCrystal_I2C.h>
#include <DHT.h>
#define DHTPIN 8
#define DHTTYPE DHT22
DHT dht (DHTPIN, DHTTYPE);
LiquidCrystal_I2C lcd(0x27, 16, 2);

#define echoPin 6
#define trigPin 7



void setup() {
  // put your setup code here, to run once:
  Serial.begin(9600);
  Serial.println("Mengukur Jarak dan Suhu");
  lcd.begin(16, 2);
  dht.begin();

}

void loop() {
  // put your main code here, to run repeatedly:
  //Jarak
  long jarak, hitung, duration;
  digitalWrite(trigPin, LOW);
  delayMicroseconds(2);
  digitalWrite(trigPin, HIGH);
  delayMicroseconds(10);
  digitalWrite(trigPin, LOW);
  duration = pulseIn(echoPin, HIGH);
  hitung = (duration/2) / 28;
  jarak = 18.5 - hitung;

  //suhu
  float t = dht.readTemperature();
  delay(1000);

  //menampilkan jarak dan suhu pada LCD
  lcd.setCursor(0,0);
  lcd.println("Suhu=");
  lcd.print(t);
  lcd.println(" C");
  lcd.setCursor(0,1);
  lcd.println("Jarak=");
  lcd.print(jarak);
  lcd.println(" Cm");

  //menampilkan pada serial monitor
  Serial.println("Suhu = ");;
  Serial.print(t);
  Serial.println(" C");
  Serial.println("Jarak = ");
  Serial.print(jarak);
  Serial.println(" Cm");

}