#include <DHT.h>
#include <Adafruit_GFX.h>
#include <Adafruit_SSD1306.h>
#define DHTPIN 2
#define DHTTYPE DHT22
#define pinBuzzer 3
#define ledMerah 6
#define ledBiru 7
#define ledKuning 8
DHT dht(DHTPIN, DHTTYPE);

Adafruit_SSD1306 display(128, 64, &Wire);

void setup() {
  
  dht.begin();
 
  pinMode(pinBuzzer, OUTPUT);
  pinMode(ledMerah, OUTPUT);
  pinMode(ledKuning, OUTPUT);
  pinMode(ledBiru, OUTPUT);
 
  display.begin(SSD1306_SWITCHCAPVCC, 0x3C);
  display.clearDisplay();
  display.setTextColor(1);
  display.setTextSize(1);
  display.display();
}

void loop() {
noTone(pinBuzzer);
digitalWrite(ledBiru, LOW);
digitalWrite(ledKuning, LOW);
digitalWrite(ledMerah, LOW);

float suhu= dht.readTemperature();

display.clearDisplay();
display.setCursor(0,0);
display.print("SUHU: ");
display.print(suhu);
display.print(" CELCIUS");
  if (suhu<29){
    digitalWrite(ledBiru, HIGH);
    noTone(pinBuzzer);
    display.setCursor(0, 20);
    display.print("SUHU RENDAH");
  }
  else if(suhu>=29 and suhu<=35){
    digitalWrite(ledKuning, HIGH);
    noTone(pinBuzzer);
    display.setCursor(0,20);
    display.print("SUHU CUKUP");
  }
  else if (suhu>35){
    digitalWrite(ledMerah, HIGH);
    tone(pinBuzzer, 1000);
    delay(200);
    tone(pinBuzzer, 500);
    delay(200);
    display.setCursor(0,20);
    display.print("SUHU PANAS");
  }  
display.display();
}