#include "DHTesp.h"
#include <Wire.h>
#include <Adafruit_GFX.h>
#include <Adafruit_SSD1306.h>

#define ledBiru 19
#define ledKuning 18
#define ledMerah 5
#define buzzer 12
#define DHT_PIN 15

#define LEBAR_LAYAR 128
#define TINGGI_LAYAR 64

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

void setup()
{
  Serial.begin(9600);
  dhtSensor.setup(DHT_PIN, DHTesp::DHT22);
  pinMode(ledBiru, OUTPUT);
  pinMode(ledKuning, OUTPUT);
  pinMode(ledMerah, OUTPUT);
  pinMode(buzzer, OUTPUT);

  oled.begin(SSD1306_SWITCHCAPVCC, 0x3C);     
  oled.clearDisplay();
  oled.setTextSize(1);
  oled.setTextColor(WHITE);    
  oled.setCursor(0, 10);       
  oled.display(); 
}

void loop()
{
  delay(2000);
  oled.clearDisplay();
  TempAndHumidity  data = dhtSensor.getTempAndHumidity();
  float t = data.temperature;
  float h = data.humidity;
  Serial.println("Temp: " + String(t, 2) + "°C");
  Serial.println("Humidity: " + String(h, 1) + "%");
  Serial.println("---");

  oled.setCursor(20,0);
  oled.print("Suhu: ");
  oled.print(data.temperature);
  oled.print("°C");

  if(t>35)
  {
    digitalWrite(ledMerah, HIGH);
    digitalWrite(ledKuning, LOW);
    digitalWrite(ledBiru, LOW);
    oled.setCursor(0, 20);
    oled.print("SUHU PANAS");
    tone(buzzer, 2000, 500);
  }
  else if(t>29)
  {
    digitalWrite(ledKuning, HIGH);
    digitalWrite(ledMerah, LOW);
    digitalWrite(ledBiru, LOW);
    oled.setCursor(0, 20);
    oled.print("SUHU CUKUP");
  }
  else
  {
    digitalWrite(ledKuning, LOW);
    digitalWrite(ledMerah, LOW);
    digitalWrite(ledBiru, HIGH);
    oled.setCursor(0, 20);
    oled.print("SUHU RENDAH");
  }
  
  oled.display();
}