#define LED_GELB 22
#define LED_WEIS 23
#define LED_ROT 25
#define FOTO 35
#define Buzzer 21
const int ON = HIGH;
const int OFF = LOW;
int SensorWert = 0;
int PIR = 13;
int pirwert = 0;



void setup() {
  pinMode(LED_GELB, OUTPUT);
  pinMode(LED_WEIS, OUTPUT);
  pinMode(LED_ROT, OUTPUT);
  pinMode(FOTO, INPUT);
  pinMode(PIR, INPUT);
  pinMode(Buzzer, OUTPUT);
  Serial.begin(9600);

}
void Alarm() // Alarm Ton und blinken
{
  digitalWrite (LED_GELB, ON);
  digitalWrite (Buzzer, ON);
  delay (200);
  digitalWrite (LED_GELB, OFF);
  digitalWrite (Buzzer, OFF);
  delay (200);
  digitalWrite (LED_GELB, ON);
  digitalWrite (Buzzer, ON);
  delay (200);
  digitalWrite (LED_GELB, OFF);
  digitalWrite (Buzzer, OFF);
  delay (200);
  digitalWrite (LED_GELB, ON);
  digitalWrite (Buzzer, ON);
  delay (1000);
  digitalWrite (LED_GELB, OFF);
  digitalWrite (Buzzer, OFF);
  delay (1000);
}

void loop() {

  SensorWert = analogRead(FOTO); // Automatisches Fahrlicht

  if (analogRead(FOTO) < 3000) {
    digitalWrite(LED_WEIS, ON);
    digitalWrite (LED_ROT, ON);
  }
  else {
    digitalWrite(LED_WEIS, OFF);
    digitalWrite (LED_ROT, OFF);
    delay(100);
  }

  pirwert = digitalRead(PIR);

  if (pirwert == ON) {
    Alarm();
  }
}