temperature

#include "DHT.h"
#define DHTPIN 19
#define DHTTYPE DHT22   // DHT 22  (AM2302), AM2321
DHT dht1(DHTPIN, DHTTYPE);


void setup() {

  Serial.begin(9600);

  dht1.begin();

}

void loop() {

 float t1 = dht1.readTemperature();

if (isnan(t1)) {

  Serial.print(F(" Non Connecter "));

  return;
}
  Serial.print(t1);
  Serial.println(" *C");
  delay(1000);
}