Ampelschaltung Kreuzung

const int rot1 = 5;
const int gelb1 = 6;
const int grun1 = 7;

const int rot2 = 2;
const int gelb2 = 3;
const int grun2 = 4;


void setup()
{
  pinMode(rot1, OUTPUT);
  pinMode(gelb1, OUTPUT);
  pinMode(grun1, OUTPUT);
  pinMode(rot2, OUTPUT);
  pinMode(gelb2, OUTPUT);
  pinMode(grun2, OUTPUT);
}

void loop()
{
  digitalWrite(rot2, HIGH);
  schaltung1();
  delay(5000);
  schaltung2();
  delay(5000);
}

void schaltung1() {
  digitalWrite(rot1, HIGH);
  delay(1000);
  digitalWrite(gelb1, HIGH);
  delay(1000);
  digitalWrite(rot1, LOW);
  delay(10);
  digitalWrite(gelb1, LOW);
  delay(100);
  digitalWrite(grun1, HIGH);
  delay(5000);
  digitalWrite(grun1, LOW);
  digitalWrite(gelb1, HIGH);
  delay(1000);
  digitalWrite(gelb1, LOW);
  digitalWrite(rot1, HIGH);
}

void schaltung2(){
  digitalWrite(rot2, HIGH);
  delay(1000);
  digitalWrite(gelb2, HIGH);
  delay(1000);
  digitalWrite(rot2, LOW);
  delay(10);
  digitalWrite(gelb2, LOW);
  delay(100);
  digitalWrite(grun2, HIGH);
  delay(5000);
  digitalWrite(grun2, LOW);
  digitalWrite(gelb2, HIGH);
  delay(1000);
  digitalWrite(gelb2, LOW);
  digitalWrite(rot2, HIGH);
}