#define led 4
#define push 3
#define led2 5

constexpr uint8_t buttonPin = 2;
volatile bool was_button_pressed;
uint16_t V;

int A_delay = 20; 

void setup() {
  // put your setup code here, to run once:
  Serial.begin(9600);
  pinMode(push, INPUT_PULLUP);
  pinMode(led, OUTPUT);
  pinMode(led2, OUTPUT);
}

void loop() {
  // put your main code here, to run repeatedly:
  add_Delay(); 
  digitalWrite(led, LOW);
  delay(A_delay);
  digitalWrite(led, HIGH);
  delay(A_delay);
}

int add_Delay(){
  if(digitalRead(push) == LOW){
    A_delay = A_delay + 100; 
    Serial.println(A_delay);
  }
  delay(500);
}

void porowanie(){
  digitalWrite(led2, LOW);
  delay(500);
  digitalWrite(led2, HIGH);
  delay(500);
}