#include<DHT.h>

DHT dht(6, DHT22); 
int LDR = A3;
float temp;
float hum;
int buzz = 5;
int led2 = 4; 

void setup() {
  dht.begin();
  Serial.begin(9600);
  pinMode(buzz, OUTPUT);
  pinMode(led2, OUTPUT); 
  pinMode(LDR, INPUT);
}

void loop() {
  int ldrstatus = analogRead(LDR);

  if (ldrstatus <= 985) {  
    Serial.println("it is day!!!");

    temp = dht.readTemperature();
    hum = dht.readHumidity();
    Serial.print("temp : ");
    Serial.println(temp);
    Serial.print("Hum : ");
    Serial.println(hum);

    if (temp > 50){
      digitalWrite(buzz, HIGH);
    }
    else{
      digitalWrite(buzz, LOW);
    }

    if (hum > 50){
      digitalWrite(led2, HIGH);
    }
    else{
      digitalWrite(led2, LOW);
    }
  }
  else {
    Serial.println("It is night!!");
    digitalWrite(buzz, LOW); 
    digitalWrite(led2, LOW);
  }

delay(1000);
}