#include <Adafruit_SSD1306.h>
#include "DHTesp.h"
const int DHT_PIN = 15;

int buzzer = 27;
int LED_Kuning = 14;
int LED_Merah = 13;
int LED_Biru = 12;

#define TINGGI_LAYAR 64 // Tinggi layar OLED yang digunakan
#define LEBAR_LAYAR 128 // Lebar layar OLED yang digunakan

DHTesp dhtSensor;
Adafruit_SSD1306 oled(LEBAR_LAYAR, TINGGI_LAYAR, &Wire, -1);

void setup() {
  Serial.begin(115200);
  dhtSensor.setup(DHT_PIN, DHTesp::DHT22);
   pinMode(buzzer, OUTPUT);
   pinMode(LED_Biru, OUTPUT);
   pinMode(LED_Kuning, OUTPUT);
   pinMode(LED_Merah, OUTPUT);

    if (!oled.begin(SSD1306_SWITCHCAPVCC, 0x3C)) {
    Serial.println(F("failed to start SSD1306 OLED"));
    while (1);
    }
  oled.clearDisplay();
  
  oled.setTextSize(1);         // Atur ukuran text
  oled.setTextColor(WHITE);    // Atur warna text
  oled.setCursor(20, 20);       // Atur posisi text pada display
  oled.println("SELAMAT DATANG"); // Text yang dicetak
  delay(2000);
  oled.display(); 
  oled.clearDisplay();// menampilkan display OLED
}

void loop() {
  TempAndHumidity  data = dhtSensor.getTempAndHumidity();
  Serial.println("Temp: " + String(data.temperature, 2) + "°C");
  Serial.println("Humidity: " + String(data.humidity, 1) + "%");
  Serial.println("---");
  delay(1000);
  oled.setTextSize(1);
  oled.setTextColor(WHITE); 
  oled.setCursor(0,0);
  oled.print("Input Password");      //Tampilan pada layar LCD

  if(data.temperature <29){          //suhu rendah
        oled.setTextSize(1);
        oled.setTextColor(WHITE); 
        oled.setCursor(0,10);
        oled.print("SUHU RENDAH");  //Tampilan LCD
        oled.display();
        oled.clearDisplay();
        digitalWrite(LED_Merah, LOW);
        digitalWrite(LED_Biru, HIGH);
        digitalWrite(LED_Kuning, LOW);
        tone (buzzer, 150);
      }
  if(data.temperature >29 && data.temperature <35){ //suhu cukup
        oled.setTextSize(1);
        oled.setTextColor(WHITE); 
        oled.setCursor(0,10);
        oled.print("SUHU Cukup");  //Tampilan LCD
        oled.display();
        oled.clearDisplay();
        digitalWrite(LED_Merah, LOW);
        digitalWrite(LED_Biru, LOW);
        digitalWrite(LED_Kuning, HIGH);
        tone (buzzer, 0);
      }
  if(data.temperature >35){          //suhu Panas
        oled.setTextSize(1);
        oled.setTextColor(WHITE); 
        oled.setCursor(0,10);
        oled.print("SUHU Panas");  //Tampilan LCD
        oled.display();
        oled.clearDisplay();
        digitalWrite(LED_Merah, HIGH);
        digitalWrite(LED_Biru, LOW);
        digitalWrite(LED_Kuning, LOW);
        tone (buzzer, 150);
      }
}