Climate Control

//OUKHEIR Achraf

#include "DHT.h"
#define DHTPIN 7     // what pin we're connected to
// Uncomment whatever type you're using!
#define DHTTYPE DHT11   // DHT 11 
//#define DHTTYPE DHT22   // DHT 22  (AM2302)
//#define DHTTYPE DHT21   // DHT 21 (AM2301)

DHT dht(DHTPIN, DHTTYPE);
float t1=29;
float t2=26;
float h1=35;
float h2=40;
float humidity ;
float temperature;

void setup() {
  Serial.begin(9600);
  Serial.println("DHT test");

  dht.begin();
}

void loop() {
  // Reading temperature or humidity takes about 250 milliseconds!
  // Sensor readings may also be up to 2 seconds 'old' (its a very slow sensor)
 humidity = dht.readHumidity();
 temperature = dht.readTemperature();
  
  // check if returns are valid, if they are NaN (not a number) then something went wrong!
  if (isnan(temperature) || isnan(humidity)) {
   Serial.println("Failed to read from DHT");
  } else {
    Serial.print("Humidity: ");
    Serial.print(humidity);
    Serial.print(" %\t");
    Serial.print("Temperature: ");
    Serial.print(temperature);
    Serial.println(" *C");
  if (hot()|| humide())
   vent(6,true);
  else
  vent (6,false);
  
    
  }

}


void vent(int port,boolean act){ 
   pinMode (port,OUTPUT);
    
 if (act == true)
  digitalWrite ( port, HIGH);
 else 
  digitalWrite ( port, LOW);
    }
    
void vap(int port,boolean act){ 
   pinMode (port,OUTPUT);
    
 if (act == true)
  digitalWrite ( port, HIGH);
 else 
  digitalWrite ( port, LOW);
    }  

 boolean hot(){
     if (temperature>t1)
     return true;
     if (temperature<t2)
     return false; 
      }
      
 boolean humide(){
     if (humidity>h1)
     return true;
     if (humidity<h2)
     return false; 
      }