#include <DHT.h>
#define DHTPIN 2
#define DHTTYPE DHT22
DHT dht(DHTPIN, DHTTYPE);
void setup() {
 Serial.begin(9600);
 dht.begin();
}
void loop() {
 delay(2000);
 float temp = dht.readTemperature();
 if (!isnan(temp)) {
 temp += random(-100, 100) / 100.0;
 Serial.println("Temperature: " + String(temp) + " °C");
 } else {
 Serial.println("Failed to read from DHT sensor!");
 }
}