#include "DHT.h"
#define DHTPIN 2
#define DHTTYPE DHT22
DHT dht(DHTPIN, DHTTYPE);
void setup() {
Serial.begin(9600);
dht.begin();
Serial.print("Celsius\t");
Serial.println("Fahrenheit");
}
void loop() {
delay(2000);
float C = dht.readTemperature();
float F = dht.readTemperature(true);
if (isnan(C) || isnan(F)) {
Serial.println("Error");
return;
}
Serial.print(C);
Serial.print("\t");
Serial.println(F);
}