int sensorPin = 12; // pin number of sensor
int ledPin = 13; // pin number of LED

void setup() {
  // put your setup code here, to run once:
  pinMode(sensorPin, INPUT);  // inputting signal (input motion)
  pinMode(ledPin, OUTPUT); // ledPin set to output
}

void loop() {
  // put your main code here, to run repeatedly:
  digitalWrite(ledPin, digitalRead(sensorPin)); // turn on or off LED according to sensor
  delay(1000); // wait a second
}