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#define CLOCK_PIN 2
#define RESET_PIN 3
#define POTENCIOMETR_PIN A5
#define BUTTON_PIN 4
int buttonState = 0;

void resetNumber(){
    digitalWrite(RESET_PIN, HIGH);
    digitalWrite(RESET_PIN, LOW);
}


void showNumber(int n){
    resetNumber();
    while (n--) {
        digitalWrite(CLOCK_PIN, HIGH);
        digitalWrite(CLOCK_PIN, LOW);
    }
    delay(100);
}
 void setup()
{
    pinMode(RESET_PIN, OUTPUT);
    pinMode(CLOCK_PIN, OUTPUT);
    pinMode(POTENCIOMETR_PIN, INPUT);
    pinMode(BUTTON_PIN, INPUT_PULLUP);
    resetNumber();
}
void loop(){
  boolean buttonState = digitalRead(BUTTON_PIN);
  int potenciometr_value = analogRead(POTENCIOMETR_PIN);
  int timeout = map (potenciometr_value, 0, 1022, 3, 90);
  showNumber(timeout);
  //delay(100);
  if(buttonState == 1)
  for (int i = 1; i <= timeout; i++){
    showNumber(timeout + 1 - i);
    delay (1000);
     if(digitalRead(BUTTON_PIN) == 1){

      break;
    }
  }
}