int ledPin = 12;                // choose the pin for the LED
int inputPin = 2;               // choose the input pin (for PIR sensor)
int pirState = LOW;             // we start, assuming no motion detected
int val = 0;                    // variable for reading the pin status
const int coil1 = 9;
const int coil2 = 6;
const int coil3 = 3;
const int coil4 = 5;

void setup()
{
  pinMode(ledPin, OUTPUT);      // declare LED as output
  pinMode(inputPin, INPUT);     // declare sensor as input
  pinMode(coil1, OUTPUT);
  pinMode(coil2, OUTPUT);
  pinMode(coil3, OUTPUT);
  pinMode(coil4, OUTPUT);
  Serial.begin(9600);
}

void loop()
{
  val = digitalRead(inputPin);  // read input value
  if (val == HIGH) {            // check if the input is HIGH
    digitalWrite(ledPin, HIGH);  // 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
    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;
    }
  }
  {
  // put your main code here, to run repeatedly:
digitalWrite(coil4, LOW);
digitalWrite(coil2, HIGH);
delayMicroseconds(1600);

digitalWrite(coil1, LOW);
digitalWrite(coil3, HIGH);
delayMicroseconds(1600);

digitalWrite(coil2, LOW);
digitalWrite(coil4, HIGH);
delayMicroseconds(1600);

digitalWrite(coil3, LOW);
digitalWrite(coil1, HIGH);
delayMicroseconds(1600);
}
}