// Simple Arduino Motion Detector with LED and Buzzer

// Define pins
int myPIR = 6;     // PIR motion sensor pin
int myBuzzer = 3;  // Buzzer pin
int myLED = 2;     // LED pin

// Variable to store motion state
int motionState = 0;// משתנה אליו אני מכניסה מידע לגבי  תגובה של חיישן תנועה

void setup() {
  // Start serial communication
  Serial.begin(9600);
  
  // Setup pin modes
  pinMode(myPIR, INPUT);
  pinMode(myLED, OUTPUT);
  pinMode(myBuzzer, OUTPUT);
  
 
}

void loop() {
  // Read PIR sensor
  motionState = digitalRead(myPIR);
  
  if (motionState == HIGH) {
    // Motion detected
    digitalWrite(myLED, HIGH);  // Turn on LED
    tone(myBuzzer, 660);       // Turn on buzzer with 1kHz tone
    Serial.println("Light on");
  } 
  else {
    // No motion
    digitalWrite(myLED, LOW);   // Turn off LED
    noTone(myBuzzer);           // Turn off buzzer
    Serial.println("Light off");
  }
  
  delay(500);  // Short delay
}