PIR Sensor Coding & Circuit Diagram

PIR SENSOR 

int pirPin = 12;    //the digital pin connected to the PIR sensor's output

int ledPin = 13;

int motor = 8;

int motor1 = 2;

void setup(){

Serial.begin(9600);

pinMode(pirPin, INPUT);

pinMode(ledPin, OUTPUT);

pinMode(motor, OUTPUT);

}

void loop(){

if(digitalRead(pirPin) == HIGH){

digitalWrite(ledPin, HIGH);   //the led visualizes the sensors output pin state

delay(50);

digitalWrite(ledPin, LOW); 

delay(50);

digitalWrite(motor, HIGH);

}

else{

digitalWrite(ledPin, LOW);//the led visualizes the sensors output pin state

digitalWrite(motor, LOW);

}}