# 4.2 Laser Emitter

## Hardware Wiring

![Laser Emitter](/files/-LCFEV6d2efBOYF_hcyO)

## Sketch

The code can be found at [Examples\_Arduino - sensor-kit-for-arduino - \_007\_LaserEmit - \_007\_LaserEmit.ino](https://github.com/LongerVisionRobot/Examples_Arduino/blob/master/sensor-kit-for-arduino/_007_LaserEmit/_007_LaserEmit.ino).

```
void setup()
{
  pinMode(13, OUTPUT); // Define Pin 13 as Digital Output
}
void loop() {
  digitalWrite(13, HIGH); // Open Laser Head
  delay(1000);
  // Delay 1 second
  digitalWrite(13, LOW); // Close Laser Head
  delay(1000);
  // Delay 1 second
}
```


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