#include "DHT.h"
#define DHTPIN 7 // DHT11 connected to pin 2
#define DHTTYPE DHT22 // Define sensor type
DHT dht(DHTPIN, DHTTYPE);
void setup() {
Serial.begin(9600);
dht.begin();
Serial.println("DHT11 Sensor Ready");
}
void loop() {
float temperature = dht.readTemperature(); // in °C
float humidity = dht.readHumidity(); // in %
if (isnan(temperature) || isnan(humidity)) {
Serial.println("Failed to read from DHT sensor!");
return;
}
Serial.print("Temperature: ");
Serial.print(temperature);
Serial.print(" °C\tHumidity: ");
Serial.print(humidity);
Serial.println(" %");
delay(2000); // wait 2 seconds before next reading
}