#include <DHT.h>
#define DHTPIN 2
#define DHTTYPE DHT22
#define buzzer 8
DHT dht (DHTPIN, DHTTYPE );
void setup() {
// put your setup code here, to run once:
Serial.begin (9600);
Serial.println("suhu dan kelembapan ruangan");
dht.begin();
pinMode(buzzer, OUTPUT);
}
void loop() {
// put your main code here, to run repeatedly:
delay(2000);
float h = dht.readHumidity();
float t = dht.readTemperature();
float f = dht.readTemperature(true);
if (isnan(h) || isnan(t) || isnan(f) ){
Serial.println("Failed to read from DHT sensor!");
return;
}
float hif = dht.computeHeatIndex (f,h);
Serial.print("Humidity: ");
Serial.print(h);
Serial.print("% Temperature: ");
Serial.print(t);
Serial.print(" °C");
Serial.print(f);
Serial.print(" °F Heat index: ");
Serial.print(hif);
Serial.println("°F");
tone(buzzer, 1000, 650);
}