int prepinac = 2;
int tlacitko = 0;
int cervena1 = 3;
int oranzova1 = 4;
int zelena1 = 5;
int cervena3 = 9;
int zelena3 = 10;
int modra = 11; //kontrolni dioda pro chodce
void setup() {
  pinMode(prepinac, INPUT);
  pinMode(cervena1, OUTPUT);
  pinMode(oranzova1, OUTPUT);
  pinMode(zelena1, OUTPUT);
  pinMode(cervena3, OUTPUT);
  pinMode(zelena3, OUTPUT);
  pinMode(modra, OUTPUT);
  digitalWrite(zelena1, HIGH);
  digitalWrite(cervena3, HIGH);
  attachInterrupt(digitalPinToInterrupt(prepinac), zmena, RISING);
}
void loop() {
  delay(2000);
  if (tlacitko)
  {
    digitalWrite(zelena1, LOW);
    digitalWrite(oranzova1, HIGH);
    delay(1000);

    digitalWrite(oranzova1, LOW);
    digitalWrite(cervena1, HIGH);
    delay(500);

    digitalWrite(zelena3, HIGH);
    digitalWrite(cervena3, LOW);
    digitalWrite(modra, LOW);
    tlacitko = 0;
    delay(2000);

    digitalWrite(zelena3, LOW);
    digitalWrite(oranzova1, HIGH);
    digitalWrite(cervena3, HIGH);
    delay(1000);
    
    digitalWrite(cervena1, LOW);
    digitalWrite(oranzova1, LOW);
    digitalWrite(zelena1, HIGH);
  }
}

void zmena(){
tlacitko=1;
digitalWrite(modra, HIGH);
}