// MENDAFTARKAN LIBRARY SESOR SUHU DTH 
#include <DHT.h>
#include <Adafruit_SSD1306.h>
#include <Adafruit_GFX.h>
#include <Fonts/FreeSerif9pt7b.h>

#define DHTPIN 4
#define SCREEN_WIDTH 128
#define SCREEN_HEIGHT 64
#define DHTTYPE DHT22
Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, -1);
DHT dht(DHTPIN, DHTTYPE);


const int relay1=5;


void setup() {
  // put your setup code here, to run once:
Serial.begin(115200);
dht.begin();
display.begin(SSD1306_SWITCHCAPVCC, 0x3C);
display.clearDisplay();
Serial.println("Kontrol relay dengan sensor suhu");
pinMode(relay1, OUTPUT);


}

void loop() {

 // put your main code here, to run repeatedly:
 display.setFont(&FreeSerif9pt7b);
display.clearDisplay();
display.setTextSize(1);
display.setTextColor(WHITE);
display.setCursor(0, 40);
  float suhu = dht.readTemperature();


  if (suhu > 25){
    digitalWrite(relay1, HIGH);
    delay(1000);
    
    Serial.println("Suhu Ruangan Panas:  ");
    Serial.print(suhu);
    Serial.println(" C");
    display.println(suhu);
    display.display();

  
  }else {
    digitalWrite(relay1, LOW);
      delay(1000);
    Serial.println("Suhu Ruangan  : Dingin ");
    Serial.print(suhu);
    Serial.println(" C");
    display.println(suhu);
    display.display();
 
}
}