#include <Wire.h>

#include <LiquidCrystal_I2C.h>

#include "DHT.h"



#define DHTPIN 2     // what digital pin we're connected to

#define DHTTYPE DHT22   // DHT 22  (AM2302), AM2321



LiquidCrystal_I2C lcd(0x20,16,2);

DHT dht(DHTPIN, DHTTYPE);



int limiet1 = 80;

boolean schakelaar = false;

int teller = 0;

int loper = 0;

int gevoeligheid = 4;



void setup()

{

  Serial.begin(9600);

  lcd.init();

  lcd.backlight();

  delay(2000);

  lcd.setCursor(0,0);

  lcd.print("klimaat control");

  delay(3000);

  lcd.clear();

  delay(2000);

  lcd.setBacklight(LOW);

  delay(2000);

  lcd.setBacklight(HIGH);

  dht.begin();

}



void loop()

{

   delay(2000);

  float h = dht.readHumidity();

  float t = dht.readTemperature();



  if (isnan(h) || isnan(t)) {

    Serial.println("Failed to read from DHT sensor!");

    return;

                                         }

                                         

lcd.setCursor(0,1);

lcd.print("RV:");

lcd.setCursor(0,0);

lcd.print("T :");

lcd.setCursor(7,1);

lcd.print("LIM:");

lcd.setCursor(11,1);

lcd.print(limiet1);

 

lcd.setCursor(3,1);

lcd.print(int(h));

lcd.setCursor(3,0);

lcd.print(int(t));

// delay(2000);

if (h > limiet1)

     {

       loper = 0;

      teller = teller + 1;

       lcd.setCursor(15,0);

       lcd.print(teller);

       lcd.setCursor(15,1);

       lcd.print(loper);

      if (teller == gevoeligheid)

        {

          schakelaar = true;

          teller = 0;

        }

     }

  if (schakelaar == true)

     {

       lcd.setCursor(7,0);

       lcd.print("FAN AAN");

     

     }

  if (h <= limiet1)

     {

       

       teller = 0;

       loper = loper + 1;

       lcd.setCursor(15,1); //controle

       lcd.print(loper);     //controle

       lcd.setCursor(15,0);  //controle

       lcd.print(teller);    //controle

       if (loper == gevoeligheid)

        {

          schakelaar = false;

          loper = 0;

        }

       

       

     }

     if (schakelaar == false)

     {

       

       lcd.setCursor(7,0);

       lcd.print("FAN UIT");

       

     }

       

 

}