Untitled

int br;
unsigned long ms;
volatile bool ispis;
void setup() {
  br = 1;
  Serial.begin(9600);
  pinMode(2,INPUT_PULLUP);
  attachInterrupt(digitalPinToInterrupt(2),tipka,RISING);
}
void tipka() {
  ispis = true;
}
void loop() {
  br = br<6 ? br+1 : 1;
  if(ispis) {
    ispis = false;
    Serial.println(br);
  }
}