Laser Sensor

Laser_sensor_code

// Arduino Based Laser Sensor
// By Nillakash34
// nillakash34@gmail.com
// fb.com/nillakash34
 

int ledPin = 13;              // choose the pin for the LED
int lasinput = A0;            // Analog pin 0 will be called 'lasersensor'
int lasValue = 0;

void setup() {
   pinMode(ledPin, OUTPUT);      // declare LED as output
   pinMode(lasinput, INPUT);     // declare sensor as input
   Serial.begin(9600);           // Initialize serial communication at 9600 bits per second

}

void loop() {
  lasValue = analogRead(lasinput);   // Read the input on analog pin 0 (named 'lasersensor')

  if(lasValue <= 500) {
    digitalWrite(ledPin, HIGH);         // Activate digital output pin 13-turn LED ON
    delay(100);
    digitalWrite(ledPin, LOW);
    delay(100);
    Serial.println("Laser Detected");   //Show in the Display"Laser Detected"
  
  } else {
      digitalWrite(ledPin, LOW); // turn LED OFF
  }

}