Temperature And Humidity Monitoring System

#include<dht.h>
#define dht_apin 7
dht DHT;



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

#define SCREEN_WIDTH 128 
#define SCREEN_HEIGHT 64 

Adafruit_SSD1306 oled(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, -1);



void setup(){
 
  Serial.begin(9600);
  delay(500);
  Serial.println("DHT11 Humidity & temperature Sensor\n\n");
  delay(1000);
 
}
 
void loop(){
 
    DHT.read11(dht_apin);
    
    Serial.print("Current humidity = ");
    Serial.print(DHT.humidity);
    Serial.print("%  ");
    Serial.print("temperature = ");
    Serial.print(DHT.temperature); 
    Serial.println("C  ");
    
    delay(2000);
    Temp_and_Humidity();
 

  

}

void Temp_and_Humidity(){
  if (!oled.begin(SSD1306_SWITCHCAPVCC, 0x3C)) {
    Serial.println(F("SSD1306 allocation failed"));
    while (true);
  }

  delay(2000);        
  oled.clearDisplay(); 
  oled.setTextSize(2);          
  oled.setTextColor(WHITE);    
  oled.setCursor(0, 10); 
  oled.print("Temp & Humidity "); 

  oled.clearDisplay(); 
  
  oled.setTextSize(1);          
  oled.setTextColor(WHITE);    
  oled.setCursor(0, 10); 
  oled.println("Temp(C) : ");
  
  oled.setTextSize(2);          
  oled.setTextColor(WHITE);    
  oled.setCursor(50, 20); 
  oled.println(DHT.temperature);

  oled.setTextSize(1);          
  oled.setTextColor(WHITE);    
  oled.setCursor(0, 40);       
  oled.println("Humidity(%) : ");
  oled.setTextSize(2);          
  oled.setTextColor(WHITE);    
  oled.setCursor(50, 50); 
  oled.println(DHT.humidity);
  oled.setCursor(60, 90);
  oled.println("%");
  oled.display(); 
  
}