#define PIR 14
#define trig 18
#define echo 19
#define led1 15
#define led2 2
#define Buzzer 12

void setup() {
  // put your setup code here, to run once:
  pinMode (PIR, INPUT);
  pinMode(trig, OUTPUT);
  pinMode(echo, INPUT);
  pinMode(led1, OUTPUT);
  pinMode(led2, OUTPUT);
  pinMode(Buzzer, OUTPUT);
  
  Serial.begin(9600);

}

void loop() {
  // put your main code here, to run repeatedly:
  int dataPIR = digitalRead(PIR);

  Serial.println(dataPIR);
  delay(500);

  digitalWrite(trig, LOW);
  digitalWrite(trig, HIGH);
  delay(10);
  digitalWrite(trig, LOW);

  int t = pulseIn(echo, HIGH);
  int s = t*0.034/2;

  Serial.println(s);
  delay(100);

  if (dataPIR == 1 || s >= 25){
    digitalWrite(led1, HIGH);
    digitalWrite(led2, HIGH);
    digitalWrite(Buzzer, HIGH);
  }else if (dataPIR == 0 ||  s >= 25){
    digitalWrite(led1, LOW);
    digitalWrite(led2, LOW);
    digitalWrite(Buzzer, LOW);
    delay(1000);
  }else{
    digitalWrite(led1, LOW);
    digitalWrite(led2, LOW);
    digitalWrite(Buzzer, LOW);
  }
  
}