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

#define LED_M 2
#define LED_K 4
#define LED_B 5
#define Buzzer 15
#define DHTPIN 13

const int DHT_PIN = 13;
DHTesp dhtSensor;


Adafruit_SSD1306 display(128, 64, &Wire, -1);


void setup() {
  pinMode(LED_M, OUTPUT);
  pinMode(LED_K, OUTPUT);
  pinMode(LED_B, OUTPUT);
  pinMode(Buzzer, OUTPUT);
  Serial.begin(9600);
  dhtSensor.setup(DHT_PIN, DHTesp::DHT22);

  display.begin(SSD1306_SWITCHCAPVCC, 0x3C);
  display.clearDisplay();
  display.setTextColor(1);
  display.setTextSize(1);
  display.display();

}

void loop() 
{
 float temp = dhtSensor.getTemperature();

  display.clearDisplay(); 
  display.setCursor(30,10);
  display.print("Suhu: ");
  display.print(temp);
  display.print(" C");

  if(temp <29)
  {
    digitalWrite(LED_M, LOW);
    digitalWrite(LED_K, LOW);
    digitalWrite(LED_B, HIGH);
    display.setCursor(10,30);
    display.print("Suhu terlalu rendah");
  }
  else if(temp>=29 && temp <=35)
  {
    digitalWrite(LED_M, LOW);
    digitalWrite(LED_K, HIGH);
    digitalWrite(LED_B, LOW);
    display.setCursor(30,30);
    display.print("Suhu normal");
  }  
  else
  {
    digitalWrite(LED_M, HIGH);
    digitalWrite(LED_K, LOW);
    digitalWrite(LED_B, LOW);
    display.setCursor(10,30);
    display.print("Suhu terlalu tinggi");

    tone(Buzzer, 500, 200);
    delay(200);
    tone(Buzzer, 1000, 200);
    delay(200);
  }
    display.display();
}