#define PIRSENSOR 13
#define LDR 34
#define PIN_TRIG 12
#define PIN_ECHO 14
void setup() {
  Serial.begin(115200);
  pinMode(23, OUTPUT);
  pinMode(18, OUTPUT);
  pinMode(2, OUTPUT);
  pinMode(13, INPUT);
  pinMode(34, OUTPUT);
  pinMode(12, OUTPUT);
  pinMode(14, INPUT);
}

void loop() {
  digitalWrite(PIN_TRIG, HIGH);
  delay(5);
  digitalWrite(PIN_TRIG, LOW);
  int duration = pulseIn(PIN_ECHO, HIGH);
  int distance = duration/58;
  if(digitalRead(PIRSENSOR)==HIGH){
    digitalWrite(23, HIGH);
    delay(500);
  }
  digitalWrite(PIRSENSOR, LOW);
  if(analogRead(LDR)>2000){
    digitalWrite(18, HIGH);
  }
  else{
    digitalWrite(18, LOW);
  }
  if(distance<250){
    digitalWrite(2, HIGH);
  }
  else{
    digitalWrite(2, LOW);
  }
  delay(1000);
  Serial.print("LDR Senson Value: ");
  Serial.println(analogRead(LDR));
  Serial.print("Distance in CM: ");
  Serial.println(distance);
}