/*
CREATE BY : JAI HOBIKA KUMARAN
 TITLE: PRETEST- SET A Q1
*/
int ldrPin = A0;
int trigPin = 12;
int echoPin = 11;
int distance;
float hum;
float temp;

#include <DHT.h>;
#define DHTPIN 5     // what pin we're connected to
#define DHTTYPE DHT22   // DHT 22  (AM2302)
DHT dht(DHTPIN, DHTTYPE);


void setup() {
  // put your setup code here, to run once:
  Serial.begin(9600);
  dht.begin();
  pinMode(ldrPin, INPUT);
  pinMode(trigPin,OUTPUT);
  pinMode(echoPin,INPUT);
}

void loop() {
 
  temp = dht.readTemperature();
  hum = dht.readHumidity();
  digitalWrite(trigPin, LOW);
    delay(500);
    digitalWrite(trigPin, HIGH);
    delay(500);
    digitalWrite(trigPin, LOW);

     long duration = pulseIn(echoPin,HIGH);
    distance = duration*0.034/2;

  // put your main code here, to run repeatedly:
  if(distance < 7)
  {
    
    delay(2000);
    Serial.print("LDR sensor = ");
    Serial.println(analogRead(ldrPin));
  }
  else{
    delay(2000);
    Serial.print("Distance: ");
    Serial.print(distance);
    Serial.print(" cm, Humidity: ");
    Serial.print(hum);
    Serial.print(" %, Temp: ");
    Serial.print(temp);
    Serial.println(" Celsius");
     //Delay 2 sec.
  }

}