#include "DHT.h"
#include <Adafruit_GFX.h>
#include <Adafruit_SSD1306.h>
#define DHTPIN 15
#define DHTTYPE DHT22
DHT dht(DHTPIN,DHTTYPE);
Adafruit_SSD1306 display = Adafruit_SSD1306(128, 64, &Wire);
int relay1 = 2;
int relay2 = 4;
int relay3 = 5;
void setup() {
 display.begin(SSD1306_SWITCHCAPVCC, 0x3C);
display.setTextColor(WHITE,BLACK);
  Serial.begin(115200);
  Serial.println("Hello, ESP32!");
pinMode(relay1, OUTPUT);
pinMode(relay2, OUTPUT);
pinMode(relay3, OUTPUT);
display.setTextSize(2);
   display.clearDisplay();

}

void loop() {
  float humidity = dht.readHumidity();
  float temperature = dht.readTemperature();
   display.clearDisplay();
  display.setCursor(0, 0);
  Serial.print("Temperature: ");
      Serial.print(temperature);
      Serial.print(" C");
      Serial.print("Humidity: ");
      Serial.print(humidity);
      Serial.println(" %\t");

  display.setCursor(20,25);
      if(temperature >= 40){
        digitalWrite(relay1, HIGH);
        digitalWrite(relay2, LOW);
        digitalWrite(relay3, LOW);
          display.setCursor(20,25);
  display.print("NUMBER3");
  display.display();
   
      }else if(temperature >= 30){
        digitalWrite(relay1, LOW);
        digitalWrite(relay2, HIGH);
        digitalWrite(relay3, LOW);
        display.setCursor(20,25);
  display.print("NUMBER2");
  display.display();
   

      }else if(temperature <= 20){
        digitalWrite(relay1, LOW);
        digitalWrite(relay2, LOW);
        digitalWrite(relay3, HIGH);
        display.setCursor(20,25);
       display.print("NUMBER1");
      display.display();
     
      }
  delay(1000); 

}