int IRSensor = 2; // connect ir sensor to arduino pin 2
int LED = 13; // conect Led to arduino pin 13


void setup() 
{

Serial.begin(9600);
pinMode (IRSensor, INPUT); // sensor pin INPUT
pinMode (LED, OUTPUT); // Led pin OUTPUT
}

void loop()
{
int statusSensor = digitalRead (IRSensor);
if (statusSensor == 1)
{
digitalWrite(LED, HIGH); // LED high
Serial.println("motion detect");
}
                  
else
{
digitalWrite(LED, 0); // LED low
Serial.println(" no motion detect");
}
}