#include<dht.h>

dht DHT;

int pinDHT22 = 3;

SimpleDHT22 dht22;

const int ledPin = 10;

const int buzzer = 5;

void setup() { Serial.begin(115200); }

void loop() {

Serial.println("=================================");

Serial.println("Sample DHT11...");

byte temperature = 0; byte humidity = 0;

if (dht11.read(pinDHT22, &temperature, &humidity, NULL)) {

Serial.print("Read DHT11 failed."); return;

}

Serial.print("Sample OK: ");

Serial.print((int)temperature);

Serial.print(" *C, ");

Serial.print((int)humidity);

Serial.println(" %");

if (humidity <= 50) {

digitalWrite(ledPin, HIGH);

digitalWrite(buzzer, HIGH); }

else {

digitalWrite(ledPin, LOW);

digitalWrite(buzzer, LOW); }

delay(1000)