int ledPin = 13;                // choose the pin for the LED
int inputPin = 2;
int trigerpin= 7;
int echopin=12;
int speakerpin=10;               // choose the input pin (for PIR sensor)
int pirState = LOW; 
int pitch=262;            // we start, assuming no motion detected
int val = 0;                    // variable for reading the pin status

void setup() {
  pinMode(ledPin, OUTPUT);      // declare LED as output
  pinMode(inputPin, INPUT);     // declare sensor as input
  pinMode(trigerpin, OUTPUT);     
  pinMode(echopin, INPUT);   
  pinMode(speakerpin, OUTPUT);

  Serial.begin(9600);
}

void loop() {
  val = digitalRead(inputPin);  // read input value
  if (val<200) {            // check if the input is HIGH
    digitalWrite(ledPin, HIGH); 
    tone(speakerpin,pitch); // turn LED ON
    if (pirState == LOW) {
      // we have just turned on
      Serial.println("Motion detected!");
      // We only want to print on the output change, not state
      pirState = HIGH;
    }
  } else {
    digitalWrite(ledPin, LOW); // turn LED OFF
    noTone(speakerpin);
    if (pirState == HIGH) {
      // we have just turned of
      Serial.println("Motion ended!");
      // We only want to print on the output change, not state
      pirState = LOW;
    }
  }
}