#include <Wire.h>
#include <LiquidCrystal_I2C.h>

// Inisialisasi LCD
LiquidCrystal_I2C lcd(0x27, 20, 4);  // Alamat I2C dan ukuran LCD (sesuaikan dengan LCD yang Anda miliki)

// Inisialisasi pin sensor ultrasonik
const int trigPin = 9;
const int echoPin = 10;

// Inisialisasi pin sensor suhu (gunakan sensor suhu yang sesuai, misalnya LM35)
const int tempSensorPin = A0;

void setup() {
  Serial.begin(9600);

  // Inisialisasi LCD
  lcd.init();
  lcd.backlight();
  lcd.clear();
  lcd.setCursor(0, 0);
  lcd.print("Distance & Temp");

  // Inisialisasi pin sensor ultrasonik
  pinMode(trigPin, OUTPUT);
  pinMode(echoPin, INPUT);
}

void loop() {
  // Baca jarak dari sensor ultrasonik
  float distance = getDistance();

  // Baca suhu
  float temperature = getTemperature();

  // Tampilkan data di LCD
  lcd.clear();
  lcd.setCursor();
  lcd.print("Dini Erina");
  lcd.print("XI TKJ 1");

  lcd.clear();
  lcd.setCursor(0, 0);
  lcd.print("Distance: ");
  lcd.print(distance);
  lcd.print(" cm");

  lcd.setCursor(0, 1);
  lcd.print("Temperature: ");
  lcd.print(temperature);
  lcd.print(" C");

  delay(2000);  // Tunggu 2 detik sebelum membaca ulang
}

float getDistance() {
  digitalWrite(trigPin, LOW);
  delayMicroseconds(2);
  digitalWrite(trigPin, HIGH);
  delayMicroseconds(10);
  digitalWrite(trigPin, LOW);

  unsigned long duration = pulseIn(echoPin, HIGH);
  float distance = duration * 0.034 / 2;  // Konversi ke cm
  return distance;
}

float getTemperature() {
  int sensorValue = analogRead(tempSensorPin);
  float voltage = sensorValue * 5.0 / 1023.0;
  float temperature = (voltage - 0.5) * 100.0;  // Konversi ke derajat Celsius
  return temperature;
}