int buton_pin = 2;

int buton_deger = 0;

int led1=4;

int serial=0;

int x;

int y=HIGH;

void setup()

{

pinMode(led1, OUTPUT);

pinMode(buton_pin, INPUT);

Serial.begin(9600);

}

void loop()

{

buton_deger = digitalRead(buton_pin);

if (buton_deger == HIGH)

{

if(x==1)

{

serial++;

Serial.println(serial);

y=!y;

digitalWrite(led1, y);

x=0;

}

}

else

{x=1;

}

}