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

#define DHTPIN 6     
#define DHTTYPE DHT22   
#define OLED_RESET -1 
#define SCREEN_ADDRESS 0x3C
#define SCREEN_WIDTH 128
#define SCREEN_HEIGHT 64


Adafruit_SSD1306 oled(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, OLED_RESET);
DHT dht(DHTPIN, DHTTYPE);

void setup() {
  dht.begin();
  oled.begin(SSD1306_EXTERNALVCC,0x3C);

  delay(2000);  

  oled.clearDisplay(); 
  oled.setTextSize(1);        
  oled.setTextColor(WHITE);    
  oled.setCursor(10,20);  
  oled.println("TEMP and HUMIDITY"); 
  oled.setCursor(10,30);  
  oled.println("MONITORING DEVICE"); 
  oled.display(); 
  delay(2000);             
}
void loop() {
  float temperature = dht.readTemperature();
  float humidity = dht.readHumidity();

  oled.clearDisplay(); 
  oled.setTextSize(1.8);        
  oled.setTextColor(WHITE);
  oled.setCursor(0,0);      
  oled.print("Temperature = "); 
  oled.println(temperature);
  oled.print("Humidity = "); 
  oled.println(humidity);
  oled.display(); 
  delay(2000);
}