int ADILAH = 7; //variable nama
int LED1 = 1;
int SD = 3;
int STRSD; //sensor jaraknya

void setup() {
  // put your setup code here, to run once:
pinMode(ADILAH, OUTPUT);
pinMode(LED1, OUTPUT);
pinMode(SD, INPUT);
}

void loop() {
  // put your main code here, to run repeatedly:
tone(ADILAH, 5000);
digitalWrite(LED1, HIGH);
delay (1000);
tone(ADILAH, 1000);
digitalWrite(LED1, LOW);
delay(1000); 
noTone(500000);
// ELSE = jika tidak ....
STRSD = digitalRead(SD);
if (STRSD == HIGH)// sama dengannya dua biara lebih membuktikan ada gerakan atau ga
{ 
  tone(ADILAH,1000);
  digitalWrite(LED1, HIGH);
}
else{
  tone(ADILAH, 0);
  digitalWrite(LED1, LOW);
}
}