#include"DHT.h"
#define DHTTYPE DHT11

#define dht_dpin 22
DHT dht(dht_dpin,DHTTYPE);
void setup(void)
{
  dht.begin();
  Serial.begin(9600);
  Serial.printIn("humidity and temperature\n\n");
  delay(700);
}
void loop()
{
  float h = dht.readHumidity();
  float t = dht.readTemperature();
  Serial.print("current humidity = ");
  Serial.print(h);
  Serial.print("% ");
}