arduino dht11

dht11.ino

#include <SimpleDHT.h>
 
int pinDHT11 = 2;
SimpleDHT11 dht11;
  
void setup() {
  Serial.begin(9600);
}
 
void loop() {
  byte temperature = 0;
  byte humidity = 0;
  int err = SimpleDHTErrSuccess;
   
  if ((err = dht11.read(pinDHT11, &temperature, &humidity, NULL)) != SimpleDHTErrSuccess) {
    Serial.print("Read DHT11 failed, err=");
    Serial.println(err);
     
    delay(1000);
    return;
  }
 
  // print
  Serial.print("Temperature:");
  Serial.print((int)temperature);
  Serial.print(" *C, ");
  Serial.print("Humidity:");
  Serial.print((int)humidity);
  Serial.print(" H    ");
   
  // Sampling period at intervals should be no less than 1 second.
  delay(1500);
}