#define PIN 12       // Define the pin connected to DHT22
#define TYPE DHT22   // Define the sensor type

#include <DHT.h>

DHT dht(PIN, TYPE); // Create DHT object

void setup() {
  Serial.begin(115200); // Start serial communication
  dht.begin();          // Initialize the DHT sensor
}

void loop() {
  // Read temperature and humidity
  float t = dht.readTemperature();  // Temperature in Celsius
  float h = dht.readHumidity();    // Humidity percentage

  // Check if the readings are valid
  if (isnan(t) || isnan(h)) {
    Serial.println("Failed to read sensor data.");
    return;
  }

  // Reset temperature and humidity if out of bounds
  if (t > 50.00 || t < -10.00) {
    t = 0;
  }
  
  if (h > 100) {
    h = 0;
  }

  // Output temperature and humidity to the serial monitor
  Serial.println();
  Serial.print("Temperature: ");
  Serial.print(t);
  Serial.print("'C");
  Serial.println();

  Serial.print("Humidity: ");
  Serial.print(h);
  Serial.print("%");
  Serial.println();

  delay(1000);  // Delay of 1 second
}