Interface DHT11 temperature sensor with NodeMCU ESP8266

DHT11

/* By TrickSumo.com
Libraries used:- 
https://github.com/adafruit/DHT-sensor-library
https://github.com/adafruit/DHT-sensor-library
*/

#include <DHT.h>   

#define DHTTYPE DHT11                                               



#define dht_dpin D1
DHT dht(dht_dpin, DHTTYPE);                                                  

void setup() {

  dht.begin();    
  Serial.begin(9600);

  Serial.println("Serial Communication Started\n");  

}

void loop() { 
  float h = dht.readHumidity();                                            
  float t = dht.readTemperature();                                          
    
  if (isnan(h) || isnan(t)) {                                               
    Serial.println("Failed to read from DHT sensor!");
    return;
  }

Serial.print("Humidity = ");
    Serial.print(h);
    Serial.print("\n ");
    Serial.print("Temperature = ");
    Serial.print(t); 
    Serial.println("C \n \n \n ");
  delay(2000 );


}

ok, i was search a scematic design and i found it use resistor in data pin. so should i doing this?

You can use it.

oke thank you so much

Welcome :)