/* Hello Wokwi! */

#include <DHT.h>

#define LEDGreen 2
#define LEDRed   3
#define Buzzer   4
 
#define DHT_PIN  7
#define DHT_TYPE DHT22

#define sensorMIN 0
#define sensorMAX 512
#define Threshold 300

DHT dht(DHT_PIN,DHT_TYPE)

int value = 0 ; //variable to store the sensor value
int level = 0 ; //variable to store the sensor level


void setup() {
// put your setup code here, to run once: 

  Serial.begin(9600);
  pinMode(Buzzer, OUTPUT);
  pinMode(LEDGreen, OUTPUT);
  pinMode(LEDRed, OUTPUT);
  digitalWrite(LEDGreen, LOW);
  digitalWrite(LEDRed, LOW);

  dht.begin();
}

void loop() {
// put your main code here, to run repeatedly:
  noTone(Buzzer);
  digitalWrite(LEDGreen, LOW);
  digitalWrite(LEDRed, LOW);


  value = analogRead(DHT_PIN);
  digitalWrite(DHT_PIN, LOW);
  delay(500);
  
  float temperature = dht.readTemperature();
  float humidity = dht.readHumidity();

  if (temperature < 25 && humidity < 25)  {
  noTone(Buzzer);
  digitalWrite(LEDGreen, HIGH);
  digitalWrite(LEDRed, LOW);

  Serial.print("ATTENTION!!! LOW TEMPERATURE");
}
  else if (temperature > 35 || humidity > 35) {
  tone(Buzzer,500);
  digitalWrite(LEDGreen, LOW);
  digitalWrite(LEDRed, HIGH);

  Serial.print("ATTENTION!!! TEMPERATURE TOO HIGH");
}

else
level = map(value, sensorMIN,sensorMAX,0,10); //to be 18 levels

Serial.print("TEMPERATURE DETECTED:");
Serial.print(temperature);
Serial.print("HUMIDITY");
Serial.print (humidity);

}