//amir najaf nejad
#include <OneWire.h>
#include <DallasTemperature.h>

#define output 2
#define heater 4
#define fan 5
#define LDR A0

OneWire oneWire(output);
DallasTemperature sensors(&oneWire);

void setup() {
  Serial.begin(9600);
  sensors.begin();
  pinMode(heater,OUTPUT);
  pinMode(fan,OUTPUT);
  pinMode(7,OUTPUT);
  pinMode(8,OUTPUT);
  pinMode(9,OUTPUT);
  pinMode(10,OUTPUT);

}

void loop() {
  sensors.requestTemperatures(); 
  float temp = sensors.getTempCByIndex(0);
  if (temp != DEVICE_DISCONNECTED_C)
  {
    Serial.print("Temperature: ");
    Serial.println(temp);
    delay(1000);
    if(temp <= 20){
      digitalWrite(heater,HIGH);
    }
    if(temp >= 40){
      digitalWrite(fan,HIGH);
    }
  }
  else
  {
    Serial.println("Error to reading data");
  }
  int ran = random(7,10);
  if(analogRead(LDR) < 400){
    digitalWrite(ran,HIGH);
  }

}