// DHT22 Initial
#include "DHT.h"
#define DHTPIN 15
#define DHTTYPE DHT22
DHT dht(DHTPIN, DHTTYPE);

bool temperature_detection () {
  delay(3000);
  float t = dht.readTemperature();

  if (isnan(t)) {
    Serial.println("Failed to read from DHT sensor!");
  }

  if (t < 23) {
    Serial.println("Temperature too low. It is: " + String(t));
    return HIGH;
  }

  if (t >= 23 && t <= 25) {
    Serial.println("Temperature is good. It is: " + String(t));
    return LOW;
  }

  if (t > 25) {
    Serial.println("Temperature too high. It is: " + String(t));
    return HIGH;
  }
}

void setup() {
  Serial.begin(9600);  // Setup serial

  // DHT22 Setup
  dht.begin();
}

void loop() {
  temperature_detection();
}