#include <OneWire.h>
#include <DallasTemperature.h>
//parsa_shams_ali_zadeh
#define fan 5
#define LDR A0
#define hiter 4
#define output 2
OneWire oneWire(output);
DallasTemperature sensors(&oneWire);
void setup() {
  Serial.begin(9600);
  sensors.begin();
  pinMode(hiter,OUTPUT);
  pinMode(fan,OUTPUT);
  pinMode(7,OUTPUT);
  pinMode(8,OUTPUT);
  pinMode(9,OUTPUT);
  pinMode(10,OUTPUT);}
void loop() {
  sensors.requestTemperatures();
  int W = analogRead(LDR);
  if(flag == 0){ int a = random(7,10);
               digitalWrite(a,HIGH);}
  float temp = sensors.getTempCByIndex(0);
  if (temp != DEVICE_DISCONNECTED_C){
    Serial.print("Temperature: ");
    Serial.println(temp);
    if (temp < 16 ) {digitalWrite(hiter , HIGH);
                              digitalWrite( fan , LOW);}
    if (temp >= 16 && <= 28 ) {digitalWrite(hiter , LOW);
                                 digitalWrite( fan , LOW);}
    if (temp >28  ) {digitalWrite(hiter , LOW);
                      digitalWrite( fan , HIGH);}
  if(W < 400){
      digitalWrite(a,HIGH);
      flag = 1 ;
    }
    if(W >= 400){
      flag = 0 ;
      digitalWrite(7,LOW);
      digitalWrite(8,LOW);
      digitalWrite(9,LOW);
      digitalWrite(10,LOW);
    }
  }