int drukknop = 3;       
int ledpin = 2; 
int lamppin = 9; /*test*/
boolean stijgend;
int fadeValue = 255;
int status = LOW;     
int lezen;           
int teller = 0;
int geheugenteller = 0;

void setup()
{
  pinMode(drukknop, INPUT);
  pinMode(ledpin, OUTPUT);
  Serial.begin(9600);

}

void loop()
{
  lezen = digitalRead(drukknop);



   if (lezen == LOW)
               {
                 teller = teller +1;
                 Serial.println(teller);
               }
   if (lezen == HIGH)
                  { geheugenteller = teller;
                    teller = 0;
                  }
   
   if (geheugenteller > 0 and geheugenteller < 200)
          {
            if (status == HIGH)
                               status = LOW;
            else
                               status = HIGH;
                               
           digitalWrite(ledpin, status);
                        if (status == HIGH)
                                       {
                                          analogWrite(lamppin, 255);  /*test*/
                                          fadeValue = 255;
                                       }
                        if ((status == LOW) )
                                        {
                                          analogWrite(lamppin, 0);     /*test*/
                                          fadeValue = 0;
                                        }
            
            geheugenteller = 0;
          }
          
   if (teller > 200)
        {
          lezen = digitalRead(drukknop);
          while (lezen == LOW)
                             {
                               teller = teller + 1;
                               Serial.println(teller);
                               if (fadeValue < 1)
                                   {
                                     stijgend = true;
                                   }
                               if (fadeValue > 254)
                                       {
                                         stijgend = false;
                                       }
                               
                               if (stijgend == true)
                                                 {
                                                   lezen = digitalRead(drukknop);
                                                   analogWrite(lamppin, fadeValue); /*test*/
                                                   fadeValue +=5;                 
                                                   digitalWrite(ledpin, LOW);
                                                   delay(50);
                                                   digitalWrite(ledpin, HIGH);
                                                   delay(50);
                                                 }
                               if (stijgend == false)
                                                 {
                                                  lezen = digitalRead(drukknop);
                                                  analogWrite(lamppin, fadeValue);  /*test*/
                                                  fadeValue -=5;
                                                  digitalWrite(ledpin, LOW);
                                                  delay(50);
                                                  digitalWrite(ledpin, HIGH);
                                                  delay(50);
                                                 }
                                                 
                                              
                               
                               
                             }
         status = HIGH;
         teller = 0;
         geheugenteller = 0;
        }
  
  
}