#define PIR1 27   
#define PIR2 25    
#define PIR3 26    

#define Hijau 19
#define Merah 18 
#define Biru 17 
#define Kuning 16  

void setup() {
  Serial.begin(115200);
  pinMode(PIR1, INPUT);
  pinMode(PIR2, INPUT);
  pinMode(PIR3, INPUT);
  pinMode(Hijau, OUTPUT);
  pinMode(Merah, OUTPUT);
  pinMode(Biru, OUTPUT);
  pinMode(Kuning, OUTPUT);
}

void loop() {
  int pir1val = digitalRead(PIR1);
  int pir2val = digitalRead(PIR2);
  int pir3val = digitalRead(PIR3);

  if(pir1val == HIGH && pir2val == HIGH){
    digitalWrite(Merah, HIGH);
    digitalWrite(Biru, HIGH);
    delay(200);  
    digitalWrite(Merah, LOW);
    digitalWrite(Biru, LOW);
    delay(200);
  }else if(pir1val == HIGH || pir2val == HIGH){
    digitalWrite(Merah, HIGH);
    delay(200);  
    digitalWrite(Merah, LOW);
    delay(200);

  }else if(pir3val){
    digitalWrite(Hijau, HIGH);
    delay(200);  
    digitalWrite(Hijau, LOW);
    delay(200);
  }else{
    digitalWrite(Kuning, HIGH);
    delay(500);  
    digitalWrite(Kuning, LOW);
    delay(500);
  }

}